Compression

• LZAV (⭐523) - Fast In-Memory Data Compression Algorithm. [MIT]

CLI

• Crossline (⭐150) - A small, self-contained, zero-config, MIT licensed, cross-platform, readline and libedit replacement. [MIT]

Miscellaneous

• The RaBitQ Library (⭐190) - A lightweight library for the RaBitQ algorithm. [Apache-2.0] website

Database

• sqlpp23 (⭐132) - A type safe SQL library for C++. [BSD-2-Clause]

Containers

• marisa-trie (⭐605) - Matching Algorithm with Recursively Implemented StorAge. [BSD-2-Clause/LGPL-2.1]

Compression

• FSST (⭐505) - efficient random-access string compression. [MIT]

Multimedia

• icey (⭐1.4k) - Real-time media stack and lightweight libwebrtc alternative for RTSP ingest, media processing, signaling, TURN, and browser delivery, built in C++20. [LGPL v2.1+]

Cryptography

• stduuid (⭐885) - A C++17 cross-platform implementation for UUIDs. [MIT]

Miscellaneous

• SIMD Everywhere (⭐3k) - Implementations of SIMD instruction sets for systems which don't natively support them. [MIT]

Math

• NumKong (⭐1.8k) - SIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types. [Apache2] (previously named SimSIMD)

Compression

• ZXC (⭐323) - High-performance asymmetric lossless compression. [BSD-3-Clause]

Compression

• OpenZL (⭐3k) - A novel data compression framework. [BSD] website

DSP

• fCWT (⭐385) - The fast Continuous Wavelet Transform (fCWT) is a library for fast calculation of CWT. [Apache-2.0]

Books

• Practical Guide to Bare Metal C++ (⭐17)

Networking

• OpenDDS (⭐1.5k) - An open source C++ implementation of the Object Management Group (OMG) Data Distribution Service (DDS). [Apache2]

Miscellaneous

• Gear-Lib (⭐3.2k) - A collection of basic libraries in POSIX C for embedded and network service development. [MIT]

• single_file_libs (⭐9.9k) - C/C++ open-source libraries with minimal dependencies. [Various]

Frameworks

• WUI (⭐62) - WUI (Window User Interface Library) is a cross-platform library for creating graphical user interfaces in C++17+ [Boost]website

Audio

• PocketSphinx (⭐4.3k) - A lightweight speech recognition engine. [BSD-2-Clause] website

Biology

• htslib (⭐915) - A C library for reading/writing high-throughput sequencing data. [MIT/BSD] website

CLI

• Ginseng (⭐65) - A C++ command-line argument parser. [MIT]

Compression

• cmix (⭐696) - A lossless data compression program that aims for the highest compression ratios at the cost of speed. [GPL-3.0]

• LZSSE-SIMDe (⭐19) - A portable SIMD implementation of LZSSE compression. [BSD-2-Clause]

• Zopfli (⭐3.6k) - A compression library that performs very good but slow deflate/zlib compression. [Apache-2.0]

Concurrency

• libcu++ (⭐2.3k) - The NVIDIA C++ Standard Library, providing heterogeneous implementation of C++ Standard Library facilities. [Apache-2.0]

• nvthreads (⭐26) - A library for enabling efficient and persistent threading in C/C++. [LGPL-2.1]

Containers

• CRoaring (⭐1.8k) - Roaring bitmaps in C (and C++), with SIMD optimizations. [Apache-2.0]

• fifo_map (⭐210) - A FIFO-ordered associative container for C++. [MIT]

• ordered-map (⭐570) - A C++ hash map and hash set which preserves the order of insertion. [MIT]

Cryptography

• tiny-ECDH-c (⭐294) - Small and portable implementation of the ECDH key agreement protocol in C. [PublicDomain]

• Qt-Secret (⭐267) - Simple encryption library based on Qt for C++ projects. [LGPL]

• micro-ecc (⭐1.4k) - A small and fast ECDH and ECDSA implementation for 8-bit, 32-bit, and 64-bit processors. [BSD-2-Clause]

• crypto-algorithms (⭐2k) - Basic implementations of standard cryptography algorithms (AES, SHA, etc.) in C. [PublicDomain]

• aes-stream (⭐21) - A fast AES-based stream cipher for C. [ISC]

Database

• constexpr-sql (⭐141) - A compile-time SQL query parser and executor in C++17. [MIT]

• NuDB (⭐409) - A fast, append-only key/value store for SSD drives. [Boost]

Data visualization

• matplotlib-cpp (⭐4.8k) - A C++ wrapper around the matplotlib Python plotting library. [MIT]

Debug

• Attest (⭐4) - Cross-platform, heap-free C test framework with parameterized and lifecycle-aware tests and assertions with ad-hoc formatted messages. [MIT]

• MTuner (⭐2.8k) - A C/C++ memory profiler and memory leak finder for Windows, PlayStation, and other platforms. [BSD-2-Clause]

• heaptrack (⭐4k) - A heap memory profiler for Linux. [LGPL-2.1]

GUI

• GuiLite (⭐7.7k) - The smallest header-only GUI library (5 KLOC) for all platforms. [Apache-2.0]

• LCUI (⭐4.3k) - A small C library for building user interfaces with C, XML and CSS. [MIT]

Image Processing

• OpenImageDenoise (⭐2k) - High-performance, high-quality denoising library for ray-traced images. [Apache-2.0] website

• bitmap (⭐178) - C++ Bitmap Library for reading, writing, and processing BMP image files. [MIT]

JSON

• libdart (⭐80) - A high-performance, network-optimized JSON manipulation library. [MIT]

Logging

• logfault (⭐63) - A simple, elegant and efficient C++ header-only logging library. [MIT]

Machine Learning

• TensorComprehensions (⭐1.8k) - A fully-functional C++ library to automatically synthesize high-performance machine learning kernels. [Apache-2.0]

• kann (⭐747) - A lightweight C library for artificial neural networks. [MIT]

Math

• Fastor (⭐837) - A lightweight high performance tensor algebra framework for modern C++. [MIT]

• geogram (⭐2.4k) - A programming library of geometric algorithms. [BSD-3-Clause]

• std-simd (⭐645) - A portable implementation of std::experimental::simd for C++. [BSD-3-Clause]

• libdivide (⭐1.3k) - Optimized integer division for C/C++ using libdivide. [zlib] website

• fpsqrt (⭐96) - Fast fixed point and floating point square root for C. [MIT]

• fastmod (⭐341) - Header-only fast C/C++ library for computing remainders and modular reductions. [Apache-2.0]

• Spectra (⭐841) - A C++ library for large scale eigenvalue problems, built on top of Eigen. [MPL2] website

• FastNoiseSIMD (⭐627) - A library for SIMD-accelerated noise generation functions. [MIT]

Memory Allocation

• Mesh (⭐1.9k) - A memory allocator that automatically reduces the memory footprint of C/C++ applications. [Apache-2.0]

• rpmalloc (⭐2.4k) - A public domain cross-platform lock-free thread-caching 16-byte aligned memory allocator. [PublicDomain]

• TLSF (⭐1.5k) - Two-Level Segregated Fit memory allocator, a general purpose dynamic memory allocator. [BSD]

Networking

• easyhttpcpp (⭐168) - A cross-platform HTTP client library providing a caching facility from Sony. [MIT]

• GameNetworkingSockets (⭐9.3k) - Reliable & unreliable messages over UDP by Valve. Connection-oriented API (like TCP). [BSD-3-Clause]

• wepoll (⭐1.1k) - A Windows epoll wrapper based on Winsock. [BSD-2-Clause]

Physics

• tungsten (⭐1.8k) - A high-performance physically based renderer in C++. [zlib]

Regular Expression

• Pawn.Regex (⭐45) - A Pawn plugin that provides support for regular expressions using C++11 std::regex. [MIT]

Scripting

• MuJS - An embeddable Javascript interpreter in C. [ISC] website

• hobbes (⭐1.2k) - A language and an embedded JIT compiler from Morgan Stanley. [Apache-2.0]

Serialization

• fbthrift (⭐2.7k) - Facebook's branch of Apache Thrift, including a serialization library and RPC framework. [Apache-2.0]

Video

• libuvc (⭐1.1k) - A cross-platform library for USB video devices. [BSD]

Web Application Framework

• aeronet (⭐36) - High-performance, modular C++ HTTP/1.1, HTTP/2 and WebSocket microservices framework focused on performance and scalability. [MIT]

• httpserver.h (⭐1.9k) - A single-header HTTP server library for C. [MIT]

• libhttp (⭐1k) - A cross-platform HTTP and HTTPS library in C/C++. [MIT]

Miscellaneous

• Dragonbox (⭐807) - Reference implementation of a new float-to-string conversion algorithm in C++. [Apache2/BSL-1.0]

• spy (⭐160) - A C++17 constexpr library for detecting OS, compiler, architecture, and SIMD at compile time. [MIT]

• licensepp (⭐431) - A software license management library for C++ projects. [Apache-2.0]

• tinydir (⭐868) - A lightweight, portable, and easy to integrate C directory and file reader. [BSD-2-Clause]

• Cello (⭐7.1k) - Higher level programming in C, including generic data structures and polymorphism. [BSD-2-Clause] website

• dyno (⭐1k) - A C++ library for runtime polymorphism with value semantics. [Boost]

• PolyHook (⭐928) - A C++ x86/x64 hooking library. [MIT]

• Verdigris (⭐673) - A header-only library that allows using Qt without the need for moc. [MIT]

• Flicks (⭐1.4k) - A unit of time defined by Facebook/Oculus for exact representation of common frame rates. [BSD]

• Linq (⭐667) - Provides a LINQ syntax for list comprehension in C++. [Boost]

• libcorrect (⭐426) - A C library for convolutional codes and Reed-Solomon error correction. [BSD-3-Clause]

• libfsm (⭐980) - A library for building and executing finite state machines, including regex and glob. [BSD-2-Clause]

• origin (⭐134) - A C++ library for concepts, diagnostics, and other foundational utilities.

Compiler

• sierra - A CISC-oriented programming language focused on creating maintainable programs.

• movfuscator (⭐10k) - The single instruction C compiler, compiling programs into only mov instructions. [MIT]

Build Systems

• awesome-cmake (⭐5.4k) - A curated list of awesome CMake scripts, modules, and resources.

• boost-cmake (⭐408) - CMake modules for Boost libraries. [BSD-3-Clause]

• cmake-examples (⭐1.2k) - A collection of useful CMake examples for various scenarios. [MIT]

Static Code Analysis

• CodeCompass (⭐593) - An open-source code comprehension tool for large C/C++ projects. [GPL-3.0]

• CodeChecker (⭐2.6k) - An analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang-Tidy. [Apache-2.0]

Articles

• All C++20 core language features with examples - A reference of all C++20 core language features with examples.

• Memory Footprint of GUI Toolkits - A comparison of the memory footprint of various GUI toolkits.

• C++ UI Libraries - A comprehensive list of C++ UI solutions.

• C++ Compilation (⭐1.2k) - A short description of the C++ compilation process.

• Books on C++17 - A list of books on C++17.

• modern-cpp-features (⭐22k) - A cheatsheet of modern C++ language and library features.

• Choosing Some C++ Over C - An article about when to use C++ instead of C.

• C++ 17 Features - A comprehensive list of C++17 features.

• Master C Programming with Open Source Books - A curated list of open source books for learning C programming.

Websites

• C++ Resources - A collection of C++ resources including books, articles, and tools.

• CppPatterns (⭐1.5k) - A repository of modern C++ patterns and idioms. website

• Function Pointers (⭐33) - A guide to understanding function pointers in C/C++.

Other Awesome Projects

• awesome-ld-preload (⭐913) - A curated list of resources related to LD_PRELOAD.

• awesome-static-analysis (⭐14k) - A curated list of static analysis tools for all programming languages.

• cpp_functional_programming (⭐700) - A list of materials and links for C++ functional programming.

• algorithms_and_data_structures (⭐6.1k) - Implementation of algorithms and data structures in C++.

Database

• Ladybug (⭐880) - an embedded graph database built for query speed and scalability. [MIT] website

Miscellaneous

• xjb (⭐27) - A fast float to string algorithm. [Apache-2.0]

Articles

• cpp17_in_TTs (⭐1.2k) - Descriptions of C++17 features, presented mostly in "Tony Tables".

GUI

• Brisk (⭐335) - Cross-platform C++20 GUI framework. MVVM, reactive capabilities. Scalable, accelerated GPU rendering [GPL/Proprietary] website

Concurrency

• dispenso (⭐274) - A high-performance C++ library for parallel programming with thread pools, parallel for loops, futures, task graphs, and concurrent containers. [MIT]

• TooManyCooks (⭐214) - High-performance C++20 coroutine framework with advanced hardware detection features. [BSL-1.0]

Data visualization

• Plotly++ (⭐138) - A C++ interface to the Plotly.js figure spec, for creating interactive data visualizations. [MIT]

Networking

• wspp (⭐24) - a zero-dependency single-header, modern WebSocket client & server, ws/wss library. [MIT]

Frameworks

• sfl library (⭐154) - a header-only C++11 library that provides several new or lesser-known containers, some of which can be used in C++20 constant expressions. [zlib]

Networking

• CZMQ (⭐1.3k) - High-level C binding for ØMQ. [MPL2] website

• Zyre (⭐944) - Local Area Clustering for Peer-to-Peer Applications. [MPL2]

Scripting

• MicroQuickJS (⭐5.7k) - MicroQuickJS (aka. MQuickJS) is a JavaScript engine targeted at embedded systems. [MIT]

Coding Standards

• F-35 Fighter Jet's C++ Coding Standards

Websites

• CompileBytes C++ Compiler – Online C++ compiler and interactive code execution environment.

CLI

• Argy (⭐31) - Command-Line Argument Parsing Library for Modern C++ — Simple, Intuitive, and Header-only with Zero Dependencies [MIT]

Containers

• librb (⭐14) - C implementation of ring (circular) buffer, with full thread awareness that allows for concurrent read/write and can automatically grow in size when needed. [BSD] website

CSV

• zsv (⭐381) - The world's fastest (simd) CSV parser, with an extensible CLI. [MIT]

Database

• sqlgen (⭐175) - A reflection-based ORM and SQL query generator for C++-20, similar to Python's SQLAlchemy/SQLModel or Rust's Diesel. [MIT]

Data visualization

• mathplot (⭐54) - C++ header-only graphing and data visualization with modern OpenGL. [Apache-2.0] website

Game Engine

• IX-Ray Platform (⭐360) - Fork of X-Ray 1.6 engine that aims to improve gaming experience and simplify development of modifications. [Modified MIT/non-commercial only]

Image Processing

• PlutoFilter (⭐201) - A single-header, zero-allocation image filter library in C. [MIT]

Math

• libfixmath (⭐855) - Cross Platform Fixed Point Maths Library. [MIT]

• mexce (⭐4) - A single-header, dependency-free JIT compiler for scalar mathematical expressions that generates optimized x87 FPU machine code. [BSD]

• OMath (⭐197) - Cross-platform modern general purpose math library written in C++23 that suitable for cheat/game development. [ZLIB]

• sebsjames/maths (⭐7) - A templated C++20 math library which emphasizes convenience and pleasure for the client programmer (used in mathplot (⭐54)). [Apache2] website

Regular Expression

• TRE (⭐881) - The approximate regex matching library and agrep command line tool. [BSD-2-Clause]

Scientific Computing

• volesti (⭐182) - High dimensional sampling from truncated distributions, convex optimization and volume computation.

Sorting

• x86-simd-sort (⭐1k) - C++ template library for high performance SIMD based sorting algorithms. [BSD-3-Clause]

Compiler

• Fil-C - a fanatically compatible memory-safe implementation of C and C++.

Coding Standards

• Autosar C++ 2014

Websites

• cppstat - A site that lists C++ features and their support by compilers and standard library implementations in an accessible way.

JSON

• meojson (⭐152) - Next-gen C++ JSON/JSON5 Serialization Engine | Zero Dependency | Header-Only | Unleash JSON Potential. [MIT]

Frameworks

• PhotonLibOS (⭐1.2k) - A comprehensive C++ framework featuring efficient user-space threading (coroutine with work-stealing), I/O, networking, RPC, HTTP, etc., and used extensively in Alibaba. It is compatible with C++ 14/17/20/23, Linux, MacOS, x86-64, ARM64, gcc and clang. [Apache2] website

Debug

• utl::profiler (⭐330) - Singe-header profiler for C++17. [MIT]

Game Engine

• Hazel Game Engine (⭐13k) - Hazel is primarily an early-stage interactive application and rendering engine for Windows. [Apache-2.0 license]

Graphics

• olive.c (⭐2.4k) - Simple 2D Graphics Library. [MIT]

Logging

• Abseil Logging - The Abseil Logging library provides facilities for writing log messages to stderr, files, or other sinks. [Apache-2.0]

• ng-log (⭐101) - C++14 library for application-level logging. [BSD-3-Clause]

CSV

• rapidcsv (⭐1k) - An easy-to-use, header-only C++ CSV parser library. [BSD-3-Clause]

GUI

• nana (⭐2.5k) - Nana is a cross-platform library for GUI programming in modern C++ style. [Boost]

Math

• cml (⭐84) - The configurable math library. [Boost]

Containers

• sqlitemap (⭐8) - Persistent map backed by SQLite. [MIT]

Miscellaneous

• Reaction (⭐620) - A lightweight, header-only reactive programming framework leveraging modern C++20 features for building efficient dataflow applications. [MIT]

Miscellaneous

• Hexi (⭐287) - Header-only, lightweight C++ library for binary streaming & serialization. [Apache-2.0/MIT]

Debug

• CrashCatch (⭐84) - Single-header crash reporting for C++ that logs stack traces and creates .dmp and .txt crash dumps. [MIT] website

GUI

• NAppGUI (⭐674) - SDK for building cross-platform desktop apps in ANSI-C. [MIT] website

Miscellaneous

• AsmJit (⭐4.5k) - Low-latency machine code generation. [Zlib] website

Miscellaneous

• SLJIT (⭐1.1k) - Platform independent low-level JIT compiler. [BSD] website

PDF

• QPDF (⭐4.9k) - A tool and C++ library for content-preserving transformations of PDF files. [Apache-2.0] website

Miscellaneous

• palacaze/sigslot (⭐884) - A simple, header only, C++14 signal-slots implementation [MIT]

Miscellaneous

• minja.hpp (⭐211) - A minimalistic C++ Jinja templating engine for LLM chat templates. [MIT]

Math

• utl::random (⭐330) - A C++17 header-only library implementing fast random for Monte-Carlo simulations & gamedev. [MIT]

Artificial Intelligence

• Txeo (⭐53) - A modern C++ wrapper for TensorFlow. [Apache]

Online Compiler

• OneCompiler - An online compiler supporting over 70 programming languages and database systems.

Data visualization

• gplot++ (⭐31) - Cross-platform header-only C++ plotting library that interfaces with Gnuplot. [MIT]

Compiler

• PCC (⭐128) - A very old C compiler. Supports C99.

Build Systems

• Sconsolidator (⭐24) - Scons build system integration for Eclipse CDT.

Websites

• Udemy C++ Courses and Tutorials

Miscellaneous

• KOMIHASH (⭐276) - Very fast, high-quality hash function, discrete-incremental and streamed hashing-capable. [MIT]

Frameworks

• Siv3D (⭐1.2k) - Siv3D (OpenSiv3D) is a C++20 framework for creative coding (2D/3D games, media art, visualizers, and simulators). [MIT] website

Debug

• Hippomocks (⭐201) - Single-header mocking framework. [LGPL-2.1]

• IceCream-Cpp (⭐739) - Never use cout/printf to debug again [MIT]

Math

• MATIO (⭐390) - MATLAB MAT File I/O Library. [BSD-2-Clause] website

Scripting

• nanobind (⭐3.4k) - tiny and efficient C++/Python bindings. [BSD-3-Clause]

Serialization

• BitSerializer (⭐30) - Multi-format serialization library (JSON, XML, YAML, CSV, MsgPack) [MIT]

Yaml

• fkYAML (⭐137) - A C++ header-only YAML library. [MIT]

• LibCYAML (⭐321) - C library for reading and writing YAML. [ISC]

• libfyaml (⭐327) - A fancy 1.2 YAML and JSON parser/writer. [MIT]

Miscellaneous

• CPP-JWT (⭐431) - JSON Web Token library for C++. [MIT]

• MPark.Variant (⭐710) - C++17 std::variant for C++11/14/17. [BSL-1.0]

• SafetyHook (⭐666) - C++23 procedure hooking library. [BSL-1.0]

• xxHash (⭐11k) - Extremely fast non-cryptographic hash algorithm. [BSD-2-Clause] website

• xxhash_cpp (⭐187) - Port of the xxhash library to C++17. [BSD-2-Clause]

Compiler

• AMD C++ Compiler - Developed by AMD.

Yaml

• LibYAML (⭐1.1k) - A C library for parsing and emitting YAML. [MIT] website

Miscellaneous

• libpopcnt (⭐361) - Fast C/C++ bit population count library. [BSD-2-Clause]

Miscellaneous

• rain (⭐130) - The fastest 128-bit and 256-bit non-crypto hash, passes all tests, and under 140 source lines of code. [Apache-2.0]

Scripting

• Luau (⭐5.4k) - A fast, small, safe, gradually typed embeddable scripting language derived from Lua. [MIT] website

Frameworks

• AUI (⭐546) - Declarative UI toolkit for C++20. [MPL2]

Miscellaneous

• libONVIF (⭐198) - Yet another ONVIF library. [GPL-3.0]

• simdzone (⭐136) - Fast and standards compliant DNS zone parser. [BSD-3-Clause]

Scripting

• JerryScript (⭐7.4k) - Ultra-lightweight JavaScript engine for the Internet of Things. [Apache-2.0] website

Database

• TidesDB (⭐499) - High-performance, durable, transactional embedded storage engine designed for flash and RAM optimization. [MPL-2.0] website

Miscellaneous

• tiny::optional (⭐145) - Replacement for std::optional that does not waste memory unnecessarily. [BSL-1.0]

Regular Expression

• Vectorscan (⭐671) - A portable fork of the high-performance regular expression matching library. [BSD-3-Clause]

Physics

• QuarkPhysics (⭐284) - A 2D Soft Body and Rigid Body Physics Engine. [MIT]

Serialization

• Protocol Puffers (⭐201) - A little, highly templated, and protobuf-compatible serialization/deserialization header-only library written in C++20. [Apache-2.0]

Math

• XAD (⭐412) - Powerful Automatic Differentiation for C++. [AGPL] website

Miscellaneous

• fast_float (⭐2k) - Fast, Exact C++ from_chars, 4x to 10x faster than strtod, part of GCC 12, Chromium, Redis, Webkit/Safari. [Apache2/BSL-1.0/MIT]

Miscellaneous

• reproc (⭐631) - A cross-platform (C99/C++11) process library. [MIT]

Asynchronous Event Loop

• uv-cpp (⭐840) - a simple interface, high-performance network library based on C++11. [MIT]

JSON

• json.cpp (⭐772) - a baroque JSON parsing / serialization library for C++. [Apache-2.0]

Database

• Kuzu (⭐3.8k) - Embeddable property graph database management system built for query speed and scalability. Implements Cypher. [MIT] website

Networking

• curlpp (⭐1.8k) -C++ wrapper around libcURL. [MIT]

Video

• avcpp (⭐529) - Modern C++ wrapper around FFmpeg. [MIT]

Miscellaneous

• Pipes (⭐837) - Pipelines for expressive code on collections in C++. [MIT]

CLI

• barkeep (⭐228) - Small C++ header to display async animations, counters, and progress bars. [Apache-2.0] website

Image Processing

• [Jpegli][https://github.com/google/jpegli (⭐333)] - an improved JPEG encoder and decoder implementation. [BSD-3-Clause]

CLI

• Ctrl+C (⭐29) - Crossplatform C++11 library to handle Ctrl+C event in custom functions. [MIT]

• tuibox (⭐293) - A single-header terminal UI (TUI) library, capable of creating mouse-driven, interactive applications on the command line. [MIT]

Database

• CrossDB (⭐255) - Ultra High-performance Lightweight Embedded and Server OLTP RDBMS. [MPL-2.0] website

GUI

• Saucer (⭐838) - A modern, cross-platform C++ webview library. [MIT]

Database

• Trilogy (⭐766) - a client library for MySQL-compatible database servers, designed for performance, flexibility, and ease of embedding. [MIT]

Concurrency

• BS::thread_pool (⭐2.9k) - A fast, lightweight, and easy-to-use C++17 thread pool library [MIT]

• ThreadPool (⭐8.7k) - A simple C++11 Thread Pool implementation [zlib]

Miscellaneous

• MPH (⭐255) - C++20 [Minimal] Static Perfect Hash library. [MIT]

Image Processing

• QOI (⭐7.5k) - The “Quite OK Image Format” for fast, lossless image compression. [MIT]

Serialization

• Wirehair (⭐380) - O(N) Fountain Code for Large Data. [BSD-3-Clause]

Miscellaneous

• HighwayHash (⭐1.6k) - Fast strong hash functions: SipHash/HighwayHash. [Apache-2.0]

Concurrency

• Coros (⭐333) - An easy-to-use and fast library for task-based parallelism, utilizing coroutines. [BSL-1.0]

Compression

• FastLZ (⭐526) - Small & portable byte-aligned LZ77 compression. [MIT]

Logging

• BqLog (⭐524) - A lightweight, high-performance logging system used in projects such as "Honor of Kings". [Apache-2.0]

Reflection

• REFLECT (⭐513) - C++20 Static Reflection library. [MIT]

GUI

• wxCharts (⭐146) - A library to create charts in wxWidgets applications. [MIT] website

Miscellaneous

• rapidhash (⭐808) - Very fast, high quality, platform-independent hashing algorithm. [BSD-2-Clause]

JSON

• JSON Toolkit (⭐48) - JSON, JSON Pointer, JSON Schema, and JSONL library for C++20. [AGPL/Commercial]

Networking

• FTP client for C++ (⭐233) - C++ client for making FTP requests. [MIT]

Reflection

• simple_enum (⭐42) - An Fast, Intuitive and Type-Safe C++ Enumeration Support Library. [BSL-1.0] website

Videos

• Code for Yourself C++ Playlist - A complete C++ course covering everything from fundamentals to software design.

Websites

• C++ for yourself - A comprehensive tutorial on modern C++ covering everything from fundamentals to software design.

Frameworks

• rpp (⭐211) - Minimal Rust-inspired C++20 STL replacement. [MIT]

Compression

• Kanzi (⭐213) - a modern, modular, portable and efficient lossless data compressor implemented in C++. [Apache-2.0]

Database

• libpg_query (⭐1.4k) - C library for accessing the PostgreSQL parser outside of the server environment. [BSD-3-Clause]

Image Processing

• TinyDNG (⭐180) - Header-only Tiny DNG/TIFF loader and writer in C++. [MIT]

Networking

• TQUIC (⭐1.4k) - A high-performance, lightweight, and cross-platform QUIC library, exposed to C and C++. [Apache2]

Scientific Computing

• Au (⭐418) - A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience. [Apache 2.0] website

Scripting

• txiki.js (⭐3k) - A tiny JavaScript runtime. [MIT]

Web Application Framework

• Pistache - Pistache is a C++ REST framework written in pure C++11 with no external dependency. [Apache2]

Game Engine

• Axmol Engine (⭐1.3k) - A cross-platform game engine for desktop, mobile, and XBOX (UWP), derived from Cocos2d-x-4.0. [MIT] website

Integrated Development Environment

• C Playground - Online C Programming IDE - An online IDE to practice C Programming where you can write, edit, and run code online.

Miscellaneous

• happly (⭐395) - A C++ header-only parser for the PLY file format. Parse .ply happily! [MIT]

Image Processing

• TinyTIFF (⭐162) - lightweight TIFF reader/writer library. [GPL-3.0]

GUI

• WebUI (⭐4.1k) - Use any web browser as GUI, with your preferred language in the backend and HTML5 in the frontend. [MIT] website

Miscellaneous

• RapidFuzz (⭐351) - Rapid fuzzy string matching in C++ using the Levenshtein Distance. [MIT] website

Concurrency

• Neco (⭐1.3k) - Concurrency library for C (coroutines). [MIT]

Miscellaneous

• Wildcards (⭐95) - A simple C++ header-only template library implementing matching using wildcards. [BSL-1.0]

Debug

• libassert (⭐712) - The most over-engineered C++ assertion library. [MIT]

Database

• mgclient (⭐42) - C/C++ Memgraph Client. [Apache2]

Math

• Wagyu (⭐192) - A general library for geometry operations of union, intersections, difference, and xor. [mapbox-wagyu original]

Debug

• cpp-dump (⭐380) - A C++ library for debugging purposes that can print any variable, even user-defined types. [MIT]

Debug

• Bencher - A suite of continuous benchmarking tools designed to catch performance regressions in CI. [MIT]/[Apache2]

Build Systems

• Sccache (⭐7.2k) - A fast compiler cache for C/C++, with cross-platform support and cloud backed storage options.

Miscellaneous

• cpp-lazy (⭐365) - a fast and easy lazy evaluation library for C++11/14/17/20. [MIT]

Build Systems

• Ccache - A fast C/C++ compiler cache. [GPLv3]

Miscellaneous

• fast_io (⭐842) - Significantly faster input/output for C++20. [MIT]

Concurrency

• libfork (⭐846) - A bleeding-edge, lock-free, wait-free, continuation-stealing tasking library built on C++20's coroutines. [MPL-2.0] website

Containers

• fixed-containers (⭐443) - Header-only C++20 library that provides fixed capacity constexpr containers. [MIT]

Networking

• mailio (⭐474) - mailio is a cross platform C++ library for MIME format and SMTP, POP3 and IMAP protocols. [BSD]

Robotics

• SPICE Toolkit (⭐33) - Library and toolkit for computing geometric information used in planning and analyzing science observations obtained from robotic spacecraft. [MIT] website

Containers

• frozen (⭐1.5k) - a header-only, constexpr alternative to gperf for C++14 users. [Apache-2.0]

Frameworks

• SaneCppLibraries (⭐616) - a set of C++ platform abstraction libraries for macOS, Windows and Linux. [MIT] website

Miscellaneous

• CRCpp (⭐406) - Easy to use and fast C++ CRC library. [BSD-3-Clause]

XML

• Xalan C (⭐35) - A library and a command line program to transform XML documents using a stylesheet that conforms to XSLT 1.0 standards. [Apache-2.0] website

Image Processing

• OpenJPEG (⭐1.1k) - an open-source JPEG 2000 codec written in C language. [BSD-2-Clause]

Image Processing

• fpng (⭐980) - Super fast C++ .PNG writer/reader. [Unlicense]

• libpng (⭐1.6k) - the reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. [libpng-2.0] website

Miscellaneous

• CCTZ (⭐646) - a C++ library for translating between absolute and civil times using the rules of a time zone. [Apache-2.0]

Scripting

• MiniScript - scripting language modern, elegant, easy to learn, and easy to embed in your own C# or C++ projects. [MIT]

CLI

• args (⭐1.6k) - A simple header-only C++ argument parser library. [MIT]

• cxxopts (⭐4.7k) - Lightweight C++ command line option parser. [MIT]

• TermOx (⭐855) - C++17 Terminal User Interface(TUI) Library. [MIT]

Database

• Reindexer (⭐802) - Embeddable, in-memory, document-oriented database with a high-level Query builder interface. [Apache2] website

Configuration

• mINI (⭐641) - INI file reader and writer. [MIT]

Containers

• hat-trie (⭐864) - C++ implementation of a fast and memory efficient HAT-trie. [MIT]

• st_tree (⭐117) - A fast and flexible c++ template class for tree data structures. [Apache-2.0]

• tree.hh (⭐152) - An STL-like C++ header-only tree library. [GPL2+]

Regular Expression

• SRELL - Unicode-aware regular expression template library for C++. [BSD]

Compression

• Rapidgzip (⭐450) - Gzip Decompression and Random Access for Modern Multi-Core Machines. [Apache-2/MIT]

Inter-process communication

• bRPC (⭐17k) - bRPC is an Industrial-grade RPC framework using C++ Language, which is often used in high performance system such as Search, Storage, Machine learning, Advertisement, Recommendation etc. [Apache2] website

Database

• Infinity (⭐4.5k) - The AI-native database built for LLM applications, providing incredibly fast vector and full-text search. [Apache2]

Scripting

• LuaBridge3 (⭐342) - A lightweight, dependency-free library for binding Lua, LuaJIT, Luau and Ravi to C++. [MIT]

Containers

• flat_hash_map (⭐1.8k) - A very fast flat hashtable with Fibonacci hashing.

Database

• UStore (⭐630) - Multi-Modal database for BLOBs, JSON, and graphs. [Apache2]

Machine Learning

• catboost (⭐8.9k) - A fast, scalable, high performance Gradient Boosting on Decision Trees library. [Apache2]

• FAISS (⭐40k) - A library for efficient similarity search and clustering of dense vectors. [MIT]

• ggml (⭐14k) - Tensor library for machine learning with 16-bit and 4-bit quantization support. [MIT]

• USearch (⭐4k) - Fast search and clustering library for vectors and strings. [Apache2]

Networking

• RedPanda (⭐12k) - Streaming data platform for developers. Kafka API compatible. 10x faster. [BSL]

• UCall (⭐1.3k) - A high-performance SIMD-accelerated RPC library on io_uring. [Apache2]

Weblogs

• C++ Team Blog - Dev blog from the Microsoft Visual C++ team

Physics

• Jolt Physics (⭐10k) - A multi core friendly rigid body physics and collision detection library. [MIT]

Videos

• The Cherno's C++ Playlist - Extensive C++ tutorial series by The Cherno.

Logging

• lwlog (⭐341) - Very fast synchronous and asynchronous C++17 logging library. [MIT]

Miscellaneous

• tgbotxx (⭐22) - Telegram Bot C++ Library. [MIT]

GUI

• TGUI (⭐1k) - Cross-platform modern c++ GUI. [Zlib] website

Frameworks

• itlib (⭐205) - A collection of std-like single-header C++ libraries [MIT]

CLI

• argparse (⭐3.4k) - Argument Parser for Modern C++. [MIT]

Containers

• parallel-hashmap (⭐3.2k) - A family of header-only, very fast and memory-friendly hashmap and btree containers [Apache2] website

• plf::colony (⭐493) - An unordered "bag"-type container which outperforms std containers in high-modification scenarios while maintaining permanent pointers to non-erased elements regardless of insertion/erasure. [zLib] website

Database

• TinyORM (⭐349) - Modern C++ ORM library. [MIT] website

Debug

• Cpptrace (⭐1.4k) - A simple, portable, and self-contained C++ stacktrace library supporting C++11 and greater. [MIT]

Graphics

• LunaSVG (⭐1.1k) - a standalone SVG rendering library in C++. [MIT]

Image Processing

• libavif (⭐2k) - Library for encoding and decoding .avif files. [BSD-2-Clause]

• libjxl (⭐3.4k) - JPEG XL image format reference implementation. [BSD-3-Clause]

• libspng (⭐830) - Simple, modern libpng alternative. [BSD-2] website

• LodePNG (⭐2.3k) - PNG encoder and decoder in C and C++. [Zlib]

• MozJPEG (⭐5.7k) - Improved JPEG encoder. [BSD/BSD-3-Clause/ZLIB]

Memory Allocation

• buddy_alloc (⭐238) - A single header buddy memory allocator for C with bounded allocation costs. [0BSD]

Office Open XML

• DuckX (⭐493) - C++ library for creating and modifying Microsoft Word (.docx) files. [MIT]

• FreeXL - an open source library to extract valid data from within Spreadsheets. [MPL/GPL-2/LGPL-2]

• libxls (⭐524) - Read binary Excel files from C/C++ [BSD-2-Clause]

• libxlsxwriter (⭐1.7k) - A C library for creating Excel XLSX files. [BSD-2-Clause] website

• OpenXLSX (⭐1.7k) - A C++ library for reading, writing, creating and modifying Microsoft Excel® (.xlsx) files. [BSD-3-Clause]

• SimpleXlsxWriter - XLSX files writer for Microsoft Excel 2007 and above. [zlib]

• XLSX I/O (⭐512) - C library for reading and writing .xlsx files. [MIT]

Reflection

• reflect-cpp (⭐1.8k) - Serialization through reflection, including automatic field name retrieval from structs. [MIT]

Scripting

• QuickJS - a small and embeddable JavaScript engine. [MIT]

• v8pp (⭐956) - Header-only library to expose C++ classes and functions into V8 to use them in JavaScript code. [BOOST] website

Serialization

• iguana (⭐1.3k) - a modern, universal and easy-to-use serialization engine developed in C++20 and C++17. [Apache2]

Serial Port

• CSerialPort (⭐887) - lightweight cross-platform serial port library. [LGPL3]

Sorting

• cpp-sort (⭐701) - Sorting algorithms & related tools for C++14. [MIT]

Miscellaneous

• date (⭐3.4k) - A date and time library based on the C++11/14/17 header. [MIT] website

• emio (⭐185) - A safe and fast high-level and low-level character input/output library. [MIT]

• hedley (⭐887) - A C/C++ header file designed to smooth over some platform-specific annoyances. website

Game Engine

• JNGL (⭐317) - 2D library for Linux, Windows, macOS, Android, iOS, Xbox, the Nintendo Switch and the Web. [zlib] website

JSON

• Sonic-Cpp (⭐971) - A fast JSON serializing & deserializing library, accelerated by SIMD. [Apache-2.0]

PDF

• pdfio (⭐323) - A simple C library for reading and writing PDF files. [Apache-2] website

PDF

• PDFium - PDF generation and rendering library. [BSD-3-Clause]

Internationalization

• simdutf (⭐1.8k) - Unicode routines (UTF8, UTF16, UTF32): billions of characters per second using SSE2, AVX2, NEON, AVX-512. [Apache-2/MIT]

GUI

• FOX Toolkit - an open-source, cross-platform widget toolkit. [LGPL]

Miscellaneous

• Jinja2С++ (⭐580) - almost full-conformance template engine implementation. website

Miscellaneous

• scnlib (⭐1.3k) - scanf for modern C++. [Apache-2.0] website

Serial Port

• Libserial (⭐487) - Serial Port Programming in C++. [BSD-3-Clause]

Graphics

• ThorVG (⭐1.5k) - a platform-independent portable library that allows for drawing vector-based scenes and animations, including SVG and Lottie. [MIT] website

Audio

• Amplitude Audio SDK (⭐73) - A cross-platform audio engine designed with the needs of games in mind. [Apache-2.0] website

Font

• libschrift (⭐561) - A lightweight TrueType font rendering library. [ISC]

Networking

• nghttp3 (⭐1.1k) - HTTP/3 library written in C. [MIT] website

Compression

• heatshrink (⭐1.5k) - data compression library for embedded/real-time systems [ISC]

Database

• Velox (⭐4.1k) - A C++ vectorized database acceleration library aimed to optimizing query engines and data processing systems. [Apache-2.0] website

Compression

• zlib-ng (⭐2k) - zlib for the "next generation" systems. Drop-In replacement with some serious optimizations. [zlib]

Articles

• CppCon 2023 Presentation Materials (⭐341) - CppCon 2023 Presentation Materials.

• CppCon 2022 Presentation Materials (⭐563) - CppCon 2022 Presentation Materials.

• CppCon 2021 Presentation Materials (⭐119) - CppCon 2021 Presentation Materials.

• C++Now 2023 Presentations (⭐89) - Presentation materials presented at C++Now 2023.

• C++Now 2022 Presentations (⭐1) - Presentation materials presented at C++Now 2022.

• C++Now 2021 Presentations (⭐4) - Presentation materials presented at C++Now 2021.

Compression

• minizip-ng (⭐1.4k) - Fork of the popular zip manipulation library found in the zlib distribution. [zlib]

PDF

• PDF-Writer (⭐1k) - High performance library for creating, modiyfing and parsing PDF files in C++ [Apache-2.0] website

Logging

• haclog (⭐80) - An extremely fast plain C logging library. [MIT]

Miscellaneous

• faker-cxx (⭐412) - C++20 Faker library for generating fake (but realistic) data for testing and development. [MIT]

• inja (⭐1.9k) - A Template Engine for Modern C++. [MIT]

Containers

• svector (⭐116) - Compact SVO optimized vector for C++17 or higher. [MIT]

Containers

• unordered_dense (⭐1.4k) - A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion. [MIT]

Configuration

• toml11 (⭐1.3k) - a C++11 (or later) header-only toml parser/encoder depending only on C++ standard library. [MIT]

Physics

• PlayRho (⭐145) - An interactive physics engine & library. [Zlib]

Concurrency

• Channel (⭐580) - Thread-safe container for sharing data between threads. [MIT]

• Taskflow (⭐12k) - A General-purpose Parallel and Heterogeneous Task Programming System. (renamed from Cpp-Taskflow) [MIT]

Database

• DuckDB - in-process SQL OLAP Database Management System. [MIT] website

• TigerBeetleDB C++ client (Community) (⭐12) - TigerBeetle is a financial accounting database designed for mission critical safety and performance to power the future of financial services. [BSL-1.0]

Debug

• CppBenchmark (⭐331) - Performance benchmark framework for C++ with nanoseconds measure precision. [MIT]

JSON

• DAW JSON Link (⭐503) - Fast, convenient JSON serialization and parsing in C++. [BSL-1.0]

• Jsonifier (⭐95) - A few classes for parsing and serializing objects from/into JSON - very rapidly. [MIT]

Networking

• ada (⭐1.7k) - WHATWG-compliant and fast URL parser written in modern C++. [Apache-2.0/MIT]

Miscellaneous

• libenvpp (⭐165) - A modern C++ library for type-safe environment variable parsing. [Apache-2.0]

• StringZilla (⭐3.4k) - the Godzilla of string libraries, splitting, sorting, and shuffling large textual datasets faster than you can say "Tokyo Tower". [Apache-2.0]

CSV

• commata (⭐17) - Just another header-only C++17 CSV parser. [Unlicense]

CSV

• ssp (⭐57) - A header only "csv" parser which is fast and versatile with modern C++ api. [MIT]

Integrated Development Environment

• Anjuta DevStudio - The GNOME IDE. [GPL3]

Graphics

• micro-gl (⭐351) - Realtime, Embeddable, Headers Only C++11 CPU vector graphics. no STD lib, no FPU and no GPU required. [CUSTOM] website

Game Engine

• quakeforge (⭐60) - Actively maintained branch of the original Quake engine code with 20+ years of development. [GPL-2.0]

• ezEngine (⭐1.9k) - Is a free, open-source game engine written in C++. Its philosophy is to be modular and flexible, such that it can be adapted to many different use cases. [MIT] website

Graph

• Graaf (⭐382) - A general-purpose lightweight C++20 graph library. [MIT] website

Web Application Framework

• C++ wfrest (⭐997) - C++ Web Framework REST API. [Apache2]

DSP

• DSPFilters (⭐2k) - A collection of useful C++ classes for digital signal processing. [MIT]

• iir1 (⭐754) - IIR Realtime C++ filter library. [MIT]

• kissfft (⭐1.9k) - A Fast Fourier Transform (FFT) library that tries to Keep it Simple, Stupid. [BSD-3-Clause]

• pocketfft (⭐136) - FFT implementation based on FFTPack, but with several improvements. [BSD-3-Clause]

• wavelib (⭐427) - C implementation of 1D and 2D wavelet transforms. [BSD-3-Clause]

Inter-process communication

• SRPC (⭐2.1k) - A lightweight RPC system that supports multiple protocols and OpenTelemetry. [Apache2]

Talks

• C++ Conferences (⭐12) - Catalog of C++ conferences

Database

• Speedb (⭐1k) - Community-led project: A RocksDB compliant high performance scalable embedded key-value store. [Apache2]

Documentation

• Doxide (⭐133) - Modern documentation for modern C++, configure with YAML, output Markdown. [Apache 2.0] website

Scripting

• pocketpy (⭐2k) - C++17 header-only Python interpreter for game scripting. [MIT] website

Frameworks

• Qt ⚡ - A cross-platform application and UI framework. [GPL/LGPL/Proprietary] website

Compression

• LZMA ⚡ - The default and general compression method of 7z format. [PublicDomain] website

Graphics

• GLFWPP (⭐120) - A thin modern C++17 header-only wrapper for GLFW. [MIT]

• Ogre 3D ⚡ - A scene-oriented, real-time, flexible 3D rendering engine (as opposed to a game engine) written in C++. [MIT] website

Image Processing

• OpenCV ⚡ - Open source computer vision. [Apache2] website

JSON

• UltraJSON (⭐4.5k) - Ultra fast JSON decoder and encoder written in C. [BSD-3-Clause]

Multimedia

• SDL (⭐15k) ⚡ - Simple DirectMedia Layer. [zlib] website

Integrated Development Environment

• Microsoft Visual Studio Code (⭐184k) ⚡ - An open-source IDE from Microsoft. [MIT] website

• Qt Creator (⭐3k) ⚡ - A cross-platform C++, JavaScript and QML IDE which is part of the SDK for Qt. [GPL3 with exceptions] website

Configuration

• ini-cpp (⭐48) - Single header only C++ version, with some handy read/write interface, extend from inih (⭐3k). [BSD-3-Clause] website

Serialization

• Kaitai Struct - A declarative language to describe various binary data structures and a compiler to generate C++ parser code. [GPLv3+][MIT][Apache2]

Websites

• C++ reference - A complete online reference for the C and C++ languages and standard libraries.

• C++ Quiz - A simple online quiz that you can use to test your knowledge of the C++ programming language.

• PVS-Studio’s challenge - PVS-Studio’s C++ quiz in which you're asked to find errors in code fragments of open source projects.

Documentation

• doxyrest (⭐309) - A compiler from Doxygen XML to reStructuredText for Sphinx. [MIT]

• hdoc (⭐336) - The modern documentation tool for C++. [AGPL/Proprietary] website

• Natural Docs (⭐223) - Natural Docs is an open source documentation generator for multiple programming languages. [AGPL/Proprietary] website

Documentation

• doxygen (⭐6.4k) ⚡ - The de facto standard tool for generating documentation from annotated C++ sources. [GPL2] website

• Sphinx (⭐7.8k) - Sphinx makes it easy to create intelligent and beautiful documentation. [BSD-2-Clause] website

Serial Port

• Boost.Asio (⭐1.6k) - Boost.Asio includes classes for creating and manipulating serial ports in a portable manner. [Boost] website

CLI

• Boost.Program_options (⭐129) - A library to obtain program options via conventional methods such as command line and config file. [Boost] website

Debug

• Boost.Test (⭐211) - Boost Test Library. [Boost] website

Image Processing

• Boost.GIL (⭐197) - Generic Image Library. [Boost] website

Inter-process communication

• Boost.Interprocess (⭐174) - Header-only Boost library that supports kernel-level shared memory and memory-mapped files, with in-built synchronization mechanisms (semaphores, mutexes, and more). [Boost] website

XML

• Boost.PropertyTree (⭐61) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost] website

Logging

• Boost.Log (⭐208) - Designed to be very modular and extensible. [Boost] website

Math

• Boost.Multiprecision (⭐251) - provides higher-range/precision integer, rational and floating-point types in C++, header-only or with GMP/MPFR/LibTomMath backends. [Boost] website

Scripting

• Boost.Python (⭐523) - A C++ library which enables seamless interoperability between C++ and the Python programming language. [Boost] website

Serialization

• Boost.Serialization (⭐132) - Boost Serialization Library. [Boost] website

Miscellaneous

• Boost.Signals2 (⭐87) - An implementation of a managed signals and slots system. [Boost] website

Math

• DirectXMath (⭐1.8k) - An all inline SIMD C++ linear algebra library for use in games and graphics apps.

Reflection

• TSMP (⭐103) - An intrusion and macro-free C++20 library for static reflection. It uses libclang to extract reflection data from your source code and makes it usable via template specialization. [MIT]

Websites

• Build Bench - Compare C++ Builds.

• Quick Bench - Quick C++ Benchmarks.

Audio

• Aubio (⭐3.7k) - A library for audio and music analysis.[GPL-3.0] website

Other Awesome Projects

• awesome-hpp (⭐4.1k) - A curated list of awesome header-only C++ libraries.

Robotics

• Ruckig (⭐1.2k) - Real-time motion generation for robots and machines. [MIT] website

Internationalization

• uni-algo (⭐317) - Unicode Algorithms Implementation for C/C++. [Unlicense or MIT]

Miscellaneous

• Cheat Sheets of HackingCPP - Cool cheat sheets and infographics for algorithms, views, containers, randomness, etc.

Configuration

• inipp (⭐308) - Simple header-only C++ ini parser and generator. [MIT]

Websites

• cppexpert.online - Learn the best C++ practices by improving code snippets with some problems or with bad practices.

Math

• ExprTk - The C++ Mathematical Expression Toolkit Library (ExprTk) is a simple to use, easy to integrate and extremely efficient run-time mathematical expression parser and evaluation engine. [MIT]

• Wykobi - A C++ library of efficient, robust and simple to use C++ 2D/3D oriented computational geometry routines. [MIT]

Miscellaneous

• StrTk - A C++ library consisting of high performance string processing routines. [MIT]

Online Compiler

• Programiz - An online compiler for learners and developers.

Audio

• audioFlux (⭐3.3k) - A C library for audio and music analysis, feature extraction. [MIT]

JSON

• jsonParse (⭐11) - A simple JSON parser in ANSI C. [MIT]

Image Processing

• BitmapPlusPLus (⭐49) - Simple and Fast header only Bitmap C++ library. [MIT]

Font

• harfbuzz (⭐5.5k) - A text shaping engine. [Old MIT]

Database

• LMDB - Very fast embedded key/value store with full ACID semantics. [OpenLDAP]

Debug

• snitch (⭐306) - Lightweight C++20 testing framework. [Boost]

Game Engine

• Torque2D (⭐1.6k) - An open-source and cross-platform C++ engine built for 2D game development. [MIT] website

• Torque3D (⭐2k) - An open-source C++ engine built for 3D game development. [MIT] website

Math

• muparser - muParser is an extensible high performance math expression parser library written in C++. [MIT]

Online Compiler

• Wandbox - An online Clang/GCC compiler with Boost available.

Build Systems

• waf - Python-based framework for configuring, compiling and installing applications. [BSD] website

Math

• MatX (⭐1.4k) - A GPU-accelerated C++17 numerical computing library with a MATLAB/Python-like syntax. [BSD 3-clause]

Frameworks

• libxutils (⭐78) - Simple and yet powerful cross-platform C library providing data structures, algorithms and much more. [MIT]

Database

• Kvrocks (⭐4.3k) - A distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol. [Apache2]

Other Awesome Projects

• This list is currently empty, but you can add to it by opening a merge request.

• Please reach out if you are interested in sponsoring this repo. Your company's name and logo will be prominently displayed here.

GUI

• MyGUI (⭐812) - Fast, flexible and simple GUI. [MIT]

Serialization

• zpp_bits (⭐953) - Actually, the fastest modern Serialization library. Just check this video.

Videos

• Caleb Curry's C Programming Tutorials - An all-in-one playlist of tutorials for C programming.

Miscellaneous

• pspsdk (⭐1.1k) - An open-source SDK for PSP homebrew development. [BSD/GNU GPL3]

Yaml

• rapidyaml (⭐718) - Rapid YAML is a C++ library to parse and emit YAML. [MIT]

CLI

• clipp (⭐1.3k) - Easy to use, powerful and expressive command line argument handling for C++11/14/17 contained in a single header file. [MIT]

Miscellaneous

• Argon2 (⭐5.3k) - The password hash Argon2, winner of PHC. [CC0/Apache2]

Database

• libpqxx (⭐1.3k) - The official C++ client API for PostgreSQL. [BSD-3-Clause]

Miscellaneous

• jwt-cpp (⭐1.1k) - A header only library for creating and validating JSON web tokens in C++. [MIT]

Networking

• Lithium - Build high performance C++ HTTP servers without being a C++ expert. [MIT]

Cryptography

• HEhub (⭐111) - A library for homomorphic encryption and its applications. [Apache2]

Integrated Development Environment

• Embarcadero Dev-CPP (⭐2.9k) - A fork of Dev-C++ that comes preinstalled with new themes and modern compilers. [GPLv2] website

Frameworks

• CGraph (⭐2.3k) - A cross-platform DAG framework based on C++ without any 3rd-party. [MIT]

Reflection

• Easy Reflection (⭐103) - Easy and fast reflection + serialization solution like in Rust, Java or Go. [Apache]

JSON

• Glaze (⭐2.7k) - Extremely fast, in memory, JSON and interface library for modern C++. [MIT]

Web Application Framework

• userver (⭐2.9k) - Asynchronous C++17 framework with a rich set of abstractions and database drivers for fast and comfortable creation of efficient microservices, services and utilities. [Apache-2.0] website

Coding Standards

• Cert C++

• Misra C++ 2008

Debug

• nanobench (⭐1.7k) - Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20. [MIT] website

Compression

• bzip3 (⭐1.1k) - A better and stronger spiritual successor to BZip2. [LGPL]

Frameworks

• Coost (⭐4.2k) - A tiny boost library in C++11. [MIT]

Static Code Analysis

• Trunk - Toolkit to check, test, merge, and monitor code.

Miscellaneous

• D++ (DPP) (⭐1.3k) - A lightweight, high performance and scalable C++ library for creating Discord Bots. [Apache2] website

Websites

• C++ Tutorial for Beginners - A comprenhensive tutorial on C++ curated by trained experts.

Debug

• Touca (⭐510) - Open-source regression testing system that you can self-host. [Apache2] website

Graphics

• Harfang 3D (⭐644) 3D visualization library usable in C++, Python, Lua and Go. Based on BGFX. [GPLv3/LGPLv3/Proprietary] website

Machine Learning

• ONNX runtime (⭐20k) - C and C++ library for training and inference ONNX models. ONNX is a standard that AI models can be converted into, regardless of the library they are trained with. [MIT] website

Audio

• rnnoise (⭐5.5k) - Recurrent neural network for audio noise reduction. [BSD-3-Clause]

Debug

• FakeIt (⭐1.4k) - Simple mocking framework for C++. [MIT]

Static Code Analysis

• OptView2 (⭐148) - Inspect missed Clang optimizations.

Miscellaneous

• fccf (⭐384) - A command-line tool that recursively searches a directory to find C/C++ source code matching a search string. [MIT]

Inter-process communication

• iceoryx (⭐2.1k) - True zero-copy inter-process communication framework for safety critical systems with bindings for C, Rust. Runs on Linux, QNX, Windows, Mac OS, FreeBSD. [Apache2] website

CSV

• lazycsv (⭐92) - A fast, lightweight and single-header csv parser for modern C++. [MIT]

JSON

• json-build (⭐49) - C89 tiny zero-allocation JSON serializer. [MIT]

Miscellaneous

• Concord (⭐618) - A Discord API wrapper library written in C. [MIT] website

GUI

• Slint (⭐22k) - Lightweight GUI toolkit for desktop and embedded. [GPL/Free/Proprietary] website

Graphics

• Skia (⭐11k) - A complete 2D graphic library for drawing Text, Geometries, and Images. [BSD] website

Debug

• VLD - Visual Leak Detector. A free, robust, open-source memory leak detection system for Visual C++.

Chemistry

• MADNESS (⭐215) - Multiresolution Adaptive Numerical Environment for Scientific Simulation. [GPL] website (⭐215)

• MPQC (⭐80) - The Massively Parallel Quantum Chemistry program, MPQC, computes properties of atoms and molecules from first principles using the time independent Schrödinger equation. [GPL] website

• Psi (⭐1.2k) - An ab initio computational chemistry package. [GPL] website

Concurrency

• rotor (⭐383) - Event loop friendly C++ actor micro framework. [MIT]

CLI

• oof (⭐861) - Convenient, high-performance RGB color and position control for console output. [MIT]

Memory Allocation

• rpmalloc (⭐2.4k) - Cross platform lock free thread caching 16-byte aligned memory allocator implemented in C. [PublicDomain]

• snmalloc (⭐1.8k) - Message passing based high-performance allocator. [MIT]

• TCMalloc (⭐5.2k) - Google's fast, multi-threaded malloc implementation. [Apache-2.0] website

Books

• Free C Books (⭐386k) - vhf/free-programming-books/C.

• Free C++ Books (⭐386k) - vhf/free-programming-books/C++.

Database

• ClickHouse (⭐364) - C++ client for ClickHouse DBMS. [Apache2]

Database

• sqlite_orm (⭐2.6k) - SQLite ORM light header only library for modern C++. [AGPL + paid MIT]

Serialization

• cista (⭐2.2k) - A C++17 library for zero-copy high-performance (de-)serialization. [MIT]

CLI

• FINAL CUT (⭐1.2k) - Library for creating terminal applications with text-based widgets. [LGPL]

Scientific Computing

• preCICE (⭐923) - Coupling library for partitioned multi-physics simulations (FSI, CHT, and more). [LGPL] website

Configuration

• inifile-cpp (⭐413) - A header-only and easy to use Ini file parser for C++. [MIT]

Online Compiler

• InterviewBit - A simple and easy to use online C++ compiler.

Frameworks

• xtd (⭐1.1k) - Modern C++20 framework to create console (CLI), forms (GUI) and unit tests (xUnit) applications on Windows, macOS, Linux, iOS, Android, FreeBSD and Haiku. [MIT]

Scripting

• djinni - A tool for generating cross-language type declarations and interface bindings. [Apache2]

Web Application Framework

• Crow (⭐4.8k) - Crow is a C++ microframework for running web services. It uses routing similar to Python's Flask. [BSD] website

Audio

• dr_libs (⭐1.7k) - Single file audio decoding libraries for C and C++. [Unlicense]

• miniaudio (⭐6.6k) - Single file audio playback and capture library. [Unlicense] website

Frameworks

• Seastar (⭐9.2k) - An advanced, open-source C++ framework for high-performance server applications on modern hardware. [Apache-2.0 License] seastar.io

CLI

• popl (⭐177) - A single-header templated command line arguments and ini file parser for C++ 11 and beyond. [MIT]

Data visualization

• matplotplusplus (⭐4.9k) - C++ Graphics Library for Data Visualization. [MIT] website

Machine Learning

• m2cgen (⭐3k) - A CLI tool to transpile trained classic ML models into a native C code with zero dependencies. [MIT]

Physics

• Kratos (⭐1.3k) - framework for building parallel, multi-disciplinary simulation software, aiming at modularity, extensibility, and high performance. [BSD] website

Debug

• DebugViewPP (⭐1.2k) - Debug logging viewer. [Boost]

Online Compiler

• codechef - A simple online compiler CodeChef.

Build Systems

• build2 - cross-platform build, packaging and dependency management toolchain for developing and packaging C/C++ projects. [MIT]

Reflection

• config-loader (⭐246) - A C++17 static reflection framework, from parse configuration file to native data structure. [MIT]

Game Engine

• o3de (⭐9.1k) - An open-source, real-time, multi-platform 3D engine based on Amazon Lumberyard. [Apache2] website

Frameworks

• MiLi (⭐41) - Minimal headers-only C++ Library. [Boost]

Chemistry

• gromacs (⭐896) - A message-passing parallel molecular dynamics implementation. [GPL] website

Image Processing

• Magick++ - ImageMagick program interfaces for C++. [Apache2]

• MagickWnd - ImageMagick program interfaces for C. [Apache2]

Logging

• Easylogging++ (⭐3.9k) - Extremely light-weight high performance logging library for C++11 (or higher) applications. [MIT]

Math

• xtensor (⭐3.7k) - A C++14 library for numerical analysis with multi-dimensional array expressions, inspired by NumPy syntax. [BSD 3-clause] website

Reflection

• clReflect (⭐284) - C++ Reflection using clang. [MIT]

Miscellaneous

• libsigc++ (⭐444) - A typesafe callback system for standard C++. [LGPL] website

Compiler

• Microsoft Visual C++ - MSVC, developed by Microsoft.

Math

• NumCpp (⭐4k) - A templatized header only C++ implementation of the Python Numpy library. [MIT]

Graph

• CXXGraph (⭐696) - free C++(17) graph header-only library for representation and algorithms execution. [AGPL-3.0]

Video

• x265 - Open h.265 video codec implementation. [GPL2] website

Logging

• fmtlog (⭐1k) - A performant fmtlib-style logging library with latency in nanoseconds. [MIT]

Containers

• C++ B-tree (⭐80) - A template library that implements ordered in-memory containers based on a B-tree data structure. [Apache2]

Machine Learning

• ncnn (⭐23k) - A high-performance neural network inference computing framework optimized for mobile platforms. [BSD]

Artificial Intelligence

• flashlight (⭐5.4k) - Flashlight is a fast, flexible machine learning library written entirely in C++. [BSD]

Asynchronous Event Loop

• Ichor (⭐231) - An event queue which focuses on thread safety and provides dependency injection. [MIT]

Image Processing

• SAIL (⭐346) - Easy-to-use cross-platform image decoding library with pluggable image codecs. [MIT]

Audio

• ni-media (⭐252) - C++ library for reading and writing audio files. [MIT]

JSON

• yyjson (⭐3.7k) - A high performance JSON library written in ANSI C. [MIT]

Networking

• cpp-httplib (⭐16k) - A single file C++11 header-only HTTP/HTTPS server library. [MIT]

JSON

• json-struct (⭐468) - High performance, single header JSON parser parsing to and from C++ structs. [MIT]

Yaml

• mini-yaml (⭐240) - Single header YAML 1.0 C++11 serializer/deserializer. [MIT]

• yaml-cpp (⭐5.9k) - A YAML parser and emitter in C++. [MIT]

CSV

• Csv::Parser (⭐33) - Compile-time and runtime CSV parser written in C++17. [Zlib]

Reflection

• Refureku (⭐250) - A C++17 runtime reflection and code generation library. [MIT]

Frameworks

• C++ Workflow (⭐14k) ⚡ - C++ Parallel Computing and Asynchronous Networking Engine. [Apache2]

Websites

• C++ by Example - Learn C++ by Example.

Artificial Intelligence

• oneDNN (⭐4k) - An open-source cross-platform performance library for deep learning applications. [Apache] website

Machine Learning

• oneDAL (⭐645) - A powerful machine learning library that helps speed up big data analysis. [Apache]

Math

• PCG-rand - PCG is a family of simple fast space-efficient statistically good algorithms for random number generation. Unlike many general-purpose RNGs, they are also hard to predict. [Apache]

Sorting

• Indiesort (⭐23) - A sort wrapper which enables the use of std::sort (& other random-access sort functions) with non-random-access containers, and also improves sort performance for large/non-trivially-copyable types in random-access containers and arrays. [zLib] website

Concurrency

• concurrencpp (⭐2.8k) - A general concurrency library containing tasks, executors, timers and C++20 coroutines to rule them all.

CLI

• cpp-terminal (⭐652) - Small header only C++ library for writing multiplatform terminal applications. [MIT]

• FTXUI (⭐9.9k) - C++ Functional Terminal User Interface. [MIT]

• imtui (⭐3.6k) - Immediate Mode Text-based User Interface. [MIT]

Graphics

• C-Turtle (⭐83) - A C++11 header-only turtle graphics library acting as a CImg wrapper. [MIT]

Multimedia

• libass (⭐1.1k) - Portable subtitle renderer for the ASS/SSA subtitle format. [ISC]

Networking

• CppServer (⭐1.6k) - Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution. [MIT]

Physics

• PhysX (⭐2.4k) - An open-source realtime physics engine middleware SDK developed by Nvidia as a part of Nvidia GameWorks software suite. [BSD-3-Clause]

Serialization

• Bitsery (⭐1.2k) - Header only C++ binary serialization library. [MIT]

• FastBinaryEncoding (⭐952) - Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift. [MIT]

Web Application Framework

• oat++ (⭐8.6k) - Light, zero-dependency framework to create high-performance web-services. [Apache-2.0] website

Online Compiler

• paiza.io - An online C/C++ compiler with multiple files supporting feature, GitHub(gist) integration and collaborative editing.

Weblogs

• Fluent C++

Concurrency

• STAPL - A C++ parallel programming framework designed to work on both shared and distributed memory parallel computers. [BSD]

Concurrency

• cuda-api-wrappers (⭐880) - Lightweight, Modern-C++ wrappers for the CUDA GPU programming runtime API. [BSD]

Articles

• CppCon 2020 Presentation Materials (⭐1.6k) - CppCon 2020 Presentation Materials.

Compression

• KArchive - A library for creating, reading, writing and manipulating file archives like zip and tar. It also provides transparent compression and decompression of data, using formats like gzip, via a subclass of QIODevice. [LGPL]

Serialization

• mrpt-serialization (⭐2.1k) - Versioned serialization to binary or text formats. [BSD] website

GUI

• NanoGui (⭐1.8k) - A minimalistic cross-platform widget library for OpenGL 3.x or higher. [BSD]

Game Engine

• nCine (⭐1.3k) - A cross-platform 2D game engine with an emphasis on performance, written in C++11 and optionally scriptable in Lua. [MIT] website

Robotics

• YARP (Yet Another Robot Platform) (⭐590) - Library and toolkit for communication and device interfaces. [BSD-3-Clause] website

Networking

• Boost.Beast (⭐4.8k) ⚡ - HTTP and WebSocket built on Boost.Asio in C++11. [Boost] website

Database

• UnQLite (⭐2.3k) - A self-contained, serverless, zero-configuration, transactional NoSQL engine. [BSD-2-Clause] website

JSON

• jsoncons (⭐836) - A C++ header-only library for JSON and JSON-like binary formats with JSONPointer, JSONPatch, JSONPath and JMESPath. [Boost]

Containers

• PGM-index (⭐868) - A data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes. [Apache2] website

Audio

• AudioFile (⭐1.1k) - A simple C++ library for reading and writing audio files. [MIT]

CSV

• csv2 (⭐622) - Fast CSV parser for modern C++. [MIT]

GUI

• Elements (⭐3.7k) - Lightweight, fine-grained, resolution independent, modular GUI library. [MIT]

Frameworks

• Kigs framework (⭐88) - A free and open source C++ modular multi-purpose cross platform RAD framework. [MIT] website

Debug

• microprofile (⭐1.6k) - Profiler with web-view for multiple platforms. [Unlicense]

Concurrency

• stdgpu (⭐1.3k) - Efficient STL-like Data Structures on the GPU. [Apache2]

GUI

• implot (⭐6k) - Immediate Mode Plotting widgets for imgui. [MIT]

GUI

• nuklear (⭐11k) - A single-header ANSI C gui library. [PublicDomain]

Build Systems

• SW - Cross-platform C++ (and other langs) Build System and Package Manager with a lot of packages available. [GPLv3]

Inter-process communication

• eCAL (⭐11) - Pub/sub, client/server, C++/Python/C#, various message protocols (protobuf, capnproto ..). [Apache2] website

Concurrency

• SObjectizer (⭐597) - An implementation of Actor, Publish-Subscribe, and CSP models in one rather small C++ framework. [BSD-3-Clause]

Miscellaneous

• VarTypes (⭐16) - A feature-rich, object-oriented framework for managing variables in C++ / Qt4. [LGPL]

Concurrency

• marl (⭐2k) - Marl is a hybrid thread / fiber task scheduler written in C++ 11. [Apache-2.0]

Game Engine

• crown (⭐28) - Crown is a general purpose data-driven game engine, written from scratch in orthodox C++ with a minimalistic and data-oriented design philosophy in mind. [MIT]

Networking

• tlse (⭐668) - Single C file TLS 1.2/1.3 implementation, using tomcrypt as crypto library [BSD-2-Clause]

Concurrency

• HPX (⭐2.8k) - A general purpose C++ runtime system for parallel and distributed applications of any scale. [Boost]

• Kokkos (⭐2.5k) - A performance portable programming model for parallel execution and memory abstraction. [BSD]

• Quantum (⭐626) - A powerful C++ coroutine dispatcher framework built on top of Boost.Coroutine2.

Math

• Klein (⭐797) - A fast, SIMD-optimized C++17 Geometric Algebra library for point, line, and plane projections, intersections, joins, rigid-body motion, and more. [MIT] website

Asynchronous Event Loop

• libhv (⭐7.5k) - Cross-platform event loop library. [BSD]

Logging

• Quill (⭐2.9k) - Asynchronous cross platform low latency logging library. [MIT]

Configuration

• toml++ (⭐2k) - Header-only TOML parser and serializer for C++17 and later. [MIT] website

Chemistry

• d-SEAMS (⭐39) - A molecular dynamics trajectory analysis engine in C++ and Lua with Nix. It is an acronym for Deferred Structural Elucidation Analysis for Molecular Simulations. [GPL] website

• LAMMPS (⭐2.9k) - A classical molecular dynamics code with a focus on materials modeling. It's an acronym for Large-scale Atomic/Molecular Massively Parallel Simulator. [GPL] website

Game Engine

• Grit (⭐124) - Community project to build a free game engine for implementing open world 3D games. [MIT]

Miscellaneous

• pprint (⭐932) - Pretty Printer for Modern C++. [MIT]

GUI

• RmlUi (⭐4k) - The HTML/CSS User Interface library evolved. Fork of libRocket. [MIT]

Physics

• Simbody (⭐2.5k) - High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton. [Apache2]

• SOFA (⭐1.2k) - SOFA is an open-source framework targeting at real-time simulation, with an emphasis on medical simulation. [LGPL] website

Audio

• LAME - LAME is a high quality MPEG Audio Layer III (MP3) encoder. [LGPL]

CLI

• tabulate (⭐2.2k) - Table Maker for Modern C++. [MIT]

Talks

• Meeting Cpp - Meeting C++ YouTube Channel

CLI

• indicators (⭐3.4k) - Activity indicators for Modern C++. [MIT]

Chemistry

• Reaktoro (⭐208) - A computational framework in C++ and Python for modeling chemically reactive systems. [LGPL] website

Math

• autodiff (⭐1.9k) - A modern, fast and expressive C++ library for automatic differentiation. [MIT] website

CLI

• Ncurses - A terminal user interface. [MIT]

Debug

• μt (⭐1.4k) - C++20 single header/single module, macro-free μ(micro)/Unit Testing Framework. [Boost]

Math

• CNL (⭐688) - A Compositional Numeric Library for C++. [Boost]

Web Application Framework

• C++ REST SDK (⭐8.3k) - Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. [MIT]

Static Code Analysis

• IKOS (⭐3.1k) - Static analyzer for C/C++ based on the theory of Abstract Interpretation. [NOSA 1.3]

CLI

• Lyra (⭐581) - A simple to use, composable, command line parser for C++ 11 and beyond. [Boost]

PDF

• litePDF - Library to create and edit PDF documents that uses GDI functions through a device context to draw the page content. [LGPL v3 and zlib]

Articles

• CppCon 2019 Presentation Materials (⭐1.3k) - CppCon 2019 Presentation Materials.

Audio

• libsoundio (⭐2.1k) - C library for cross-platform real-time audio input and output. [MIT] website

Coding Style Tools

• EditorConfig - EditorConfig helps maintain consistent coding styles across different editors and IDEs.

Networking

• KCP (⭐17k) - A fast and reliable ARQ protocol that helps applications to reduce network latency. [MIT]

Reflection

• magic_get (⭐216) - std::tuple like methods for user defined types without any macro or boilerplate code. [Boost]

Integrated Development Environment

• juCi++ - Cross-platform, lightweight C++ IDE with libclang integration. [MIT]

Compression

• bit7z (⭐830) - A C++ static library offering a clean and simple interface to the 7-zip shared libraries. [MPL2]

Audio

• Verovio (⭐843) - Verovio is a fast and lightweight music notation engraving library. [LGPL] website

Configuration

• libconfig (⭐1.2k) - C, C++ library for processing structured configuration files. [LGPL-2.1] website

Machine Learning

• libsvm (⭐4.7k) - A simple, easy-to-use, efficient library for Support Vector Machines. [BSD-3-Clause] website

Configuration

• inih (⭐3k) - Simple .INI file parser in C, good for embedded systems. [BSD-3-Clause]

• inih (⭐449) - Single header only C++ version of inih (⭐3k). [BSD-3-Clause]

• iniparser (⭐1.1k) - INI file parser. [MIT]

• libconfuse (⭐508) - Small configuration file parser library for C. [ISC]

• simpleini (⭐1.3k) - Cross-platform C++ library providing a simple API to read and write INI-style configuration files. [MIT]

Graphics

• LLGL (⭐2.6k) - Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs. [BSD-3-Clause]

Asynchronous Event Loop

• promise-cpp (⭐692) - Header only library that implements Promise/A+ standard. [Anti-996]

Font

• Fontconfig - Font configuration and customization library. [MIT] website

• FreeType - FreeType is a freely available software library to render fonts. [FTL & GPLv2]

• otfcc (⭐434) - A C library and utility used for parsing and writing OpenType font files. [Apache-2.0]

Game Engine

• Corange (⭐2k) - A game engine written in pure C, SDL and OpenGL. [BSD]

• toy engine (⭐1.6k) - toy is a thin and modular c++ game engine and offers simple expressive c++ idioms to design full featured 2D or 3D games in fast iterations.

Image Processing

• Leptonica (⭐2k) - Leptonica is an open source library containing software that is broadly useful for image processing and image analysis applications. [BSD-2-Clause] website

Serialization

• Cap'n Proto (⭐13k) - Fast data interchange format and capability-based RPC system. [MIT] website

Machine Learning

• darknet (⭐26k) - Open source neural network framework written in C and CUDA. [PublicDomain] website

Memory Allocation

• tgc (⭐1.1k) - A tiny garbage collector for C written in ~500 LOC. [BSD]

Networking

• DPDK (⭐4.2k) - Data Plane Development Kit, libraries and drivers for fast packet processing. [BSD-3-Clause & GPL-2.0] website

• PF_RING™ (⭐2.9k) - High-speed packet processing framework. [LGPL-2.1] website

Robotics

• RobWork - A collection of C++ libraries for simulation and control of robot systems. [Apache2] website

Compiler

• Open WatCom - Watcom C, C++, and Fortran cross compilers and tools. [Sybase Open Watcom Public License]

Integrated Development Environment

• YouCompleteMe (⭐26k) - YouCompleteMe is a fast, as-you-type, fuzzy-search code completion engine for Vim.

Coding Style Tools

• Uncrustify (⭐3k) - Code beautifier.

Articles

• C++Now 2019 Presentations (⭐92) - Presentation materials presented at C++Now 2019.

Debug

• dbg-macro (⭐3.2k) - A dbg(…) macro for C++. [MIT]

GUI

• Boden (⭐1.7k) - Native, mobile, cross-platform GUI Framework. [GPL/LGPL/Proprietary] website

JSON

• parson (⭐1.4k) - Parson is a lighweight json library written in C. [MIT]

JSON

• cJSON (⭐13k) - Ultralightweight JSON parser in ANSI C. [MIT]

• simdjson (⭐24k) - Extremely fast JSON library that can parse gigabytes of JSON per second. [Apache-2.0]

Memory Allocation

• mimalloc (⭐13k) - A compact general purpose allocator with excellent performance. [MIT]

Networking

• lwIP - A lightweight TCP/IP stack. [Modified BSD]

• mTCP (⭐2.1k) - Highly scalable user-level TCP stack for multicore systems. [Modified BSD]

Serialization

• protobuf (⭐71k) - Protocol Buffers - Google's data interchange format. [BSD]

• upb (⭐1.5k) - A small protobuf implementation in C. [BSD]

Containers

• robin-hood-hashing (⭐1.6k) - Fast & memory efficient hashtable based on robin hood hashing for C++14. [MIT]

• robin-map (⭐1.5k) - Fast hash map and hash set using robin hood hashing. [MIT]

Math

• GLM (⭐11k) - Header-only C++ math library that matches and inter-operates with OpenGL's GLSL math. [MIT] website

CSV

• Fast C++ CSV Parser (⭐2.3k) - Small, easy-to-use and fast header-only library for reading CSV files. [BSD-3-Clause]

JSON

• taoJSON (⭐670) - Zero-dependency C++ header-only JSON library. [MIT]

Math

• linalg.h (⭐948) - Single header, public domain, short vector math library for C++. [Unlicense]

Memory Allocation

• C Smart Pointers (⭐1.7k) - Smart pointers for the (GNU) C programming language. [MIT]

Networking

• libhttpserver (⭐942) - C++ library for creating an embedded Rest HTTP server (and more). [LGPL2.1]

CLI

• cli (⭐1.3k) - A cross-platform header only C++14 library for interactive command line interfaces (Cisco style). [Boost]

Asynchronous Event Loop

• libuv (⭐27k) - Cross-platform asynchronous I/O. [BSD]

Containers

• dynamic_bitset (⭐175) - Simple Useful Libraries: C++17/20 header-only dynamic bitset. [MIT] website

Internationalization

• utf8proc (⭐1.2k) - A clean C library for processing UTF-8 Unicode data. [MIT]

CSV

• Vince's CSV Parser (⭐1.1k) - A fast, self-contained, streaming C++17 CSV parser with optional type-casting and statistics. [MIT]

Web Application Framework

• Drogon (⭐14k) - A C++17/20 based, high-performance HTTP application framework. [MIT]

Other Awesome Projects

• Awesome Modern C++ (⭐13k) - A collection of resources on modern C++.

Build Systems

• Buck (⭐8.6k) - A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages including C++ developed and used at Facebook. Written in Java. [Apache]

Reflection

• visit_struct (⭐641) - A miniature library for struct-field reflection in C++. [Boost]

Miscellaneous

• PEGTL (⭐2.1k) - The Parsing Expression Grammar Template Library. [MIT]

Physics

• Quantum++ (⭐651) - A modern C++11 quantum computing library. [MIT]

Regular Expression

• Hyperscan (⭐5.4k) - Hyperscan is a high-performance multiple regex matching library by Intel. Provides simultaneous matching of large numbers of regexps (up to tens of thousands). Typically used in a DPI library stack. [BSD]

• PIRE (⭐337) - Perl Incompatible Regular Expressions library by Yandex. Can be really fast (more than 400 MB/s). [LPGL v3.0]

Concurrency

• FiberTaskingLib (⭐981) - Task-based multi-threading library that supports task graphs with arbitrary dependencies. [Apache]

Debug

• Nonius (⭐368) - A C++ micro-benchmarking framework. [CC]

Concurrency

• Intel Games Task Scheduler (⭐458) - A task scheduling framework designed for the needs of game developers. [MIT]

Networking

• ZeroMQ (⭐11k) - High-speed, modular asynchronous communication library. [LGPL3/MPL2] website

Networking

• librdkafka (⭐954) - Apache Kafka client library for C and C++. [BSD-2-Clause]

Reflection

• meta (⭐653) - Header-only, non-intrusive and macro-free runtime reflection system in C++. [MIT]

Scripting

• PHP-CPP (⭐1.4k) - A library to build PHP extensions with C++. [Apache2] website

Miscellaneous

• CPPItertools (⭐1.4k) - Range-based for loop add-ons inspired by the Python builtins and itertools library. [BSD-2-Clause]

• mio (⭐1.9k) - Cross-platform C++11 header-only library for memory mapped file IO. [MIT]

Debug

• Unity (⭐5.2k) - Simple Unit Testing for C. [MIT]

Graphics

• Blend2D (⭐1.9k) - 2D vector graphics engine powered by a JIT compiler. [Zlib] website

Math

• universal (⭐492) - A C++14 header-only library implementing arbitrary posit arithmetic. The posit number system is a tapered floating point that is more efficient than IEEE floating point. Posits enable reproducible computational science. [MIT license]

Game Engine

• Spring (⭐3.9k) - A powerful free cross-platform RTS game engine. [GPLv2/GPLv3] website

Reflection

• Magic Enum (⭐6k) - Header-only C++17 library provides static reflection for enums (to string, from string, iteration), work with any enum type without any macro or boilerplate code. [MIT]

Game Engine

• raylib (⭐32k) - A simple and easy-to-use library to enjoy videogames programming. [zlib/libpng] website

Compression

• LZ4 (⭐12k) - Extremely Fast Compression algorithm. [BSD] website

Audio

• PortAudio - PortAudio is a free, cross-platform, open-source, audio I/O library. [MIT]

Memory Allocation

• memory-allocators (⭐2k) - Custom memory allocators to improve the performance of dynamic memory allocation. [MIT]

Networking

• MQTT-C (⭐880) - A portable MQTT C client for embedded systems and PCs alike. [MIT] website

Reflection

• Nameof (⭐2.3k) - Header-only C++17 library provides nameof macros and functions to obtain the simple name of variable, type, function, macro, and enum. [MIT]

Networking

• WAFer (⭐694) - A C language-based ultra-light software platform for scalable server-side and networking applications. Think node.js for C programmers. [GPL2]

Reflection

• Better Enums (⭐1.8k) - Reflective enums (to string, iteration). Single header. [BSD] website

• CPFG (⭐220) - A C++03 library for reflection, callback and script binding. [Apache2]

• CPP-Reflection (⭐701) - C++ Reflection using clang. [MIT]

• Ponder (⭐661) - A C++11 library for reflection. [MIT]

• RTTR (⭐3.5k) - A C++11 library for reflection. [MIT] website

Static Code Analysis

• List of tools for static code analysis - A list of tools for static code analysis from Wikipedia.

GUI

• iup - Multi-platform toolkit for building graphical user interfaces. [MIT]

Audio

• libsndfile (⭐1.7k) - C library with C++ wrapper for reading and writing files containing sampled sound through one standard library interface. [LGPL-2.1] website

Math

• SymEngine (⭐1.3k) - Fast symbolic manipulation library, a rewriting of SymPy's core in C++. [MIT]

Networking

• cpp-netlib/uri (⭐142) - URI parser/builder library for C++, compatible with RFC 3986 and RFC 3987. [Boost]

• uriparser (⭐406) - Strictly RFC 3986 compliant URI parsing and handling library. [BSD-3-Clause]

Image Processing

• libfacedetection (⭐13k) - Open source library for face detection in images. The face detection speed can reach 1500FPS. [BSD]

Networking

• Restinio (⭐1.3k) - A header-only C++14 library that gives you an embedded HTTP/Websocket server. [BSD]

Podcasts

• CppChat - A (sometimes) weekly look at what's going on in the world of C++ chatting with a guest from the community.

Other Awesome Projects

• 30 Seconds of C++ (⭐1.5k)

Networking

• restclient-cpp (⭐1.6k) - Simple REST client for C++. It wraps libcurl for HTTP requests. [MIT]

Build Systems

• Vcpkg (⭐27k) - C++ library manager for Windows, Linux, and MacOS. [MIT]

Weblogs

• Simplify C++

• Bartek's Coding Blog

• Kenny Kerr

• Sutter’s Mill

• Vorbrodt's C++ Blog

• foonathan::blog()

Compression

• miniz (⭐2.7k) - Single C source file Deflate/Inflate compression library with zlib-compatible API, ZIP archive reading/writing, PNG writing. [MIT]

Machine Learning

• flashlight (⭐5.4k) - A fast, flexible machine learning library from Facebook AI Research written entirely in C++ and based on the ArrayFire tensor library. [BSD-3-Clause] website

Game Engine

• Halley (⭐3.8k) - A lightweight game engine written in C++14 with a "true" entity-component system. [Apache 2.0]

Regular Expression

• Oniguruma (⭐2.5k) - A modern and flexible regular expressions library that supports a variety of character encodings. [BSD]

Networking

• PcapPlusPlus (⭐3.1k) - a multiplatform C++ network sniffing and packet parsing and crafting framework. [Unlicense]

Memory Allocation

• memory (⭐1.6k) - STL compatible C++ memory allocator library. [ZLib]

Frameworks

• Cxxomfort - A small, header-only library that backports various facilities from more recent C++ Standards to C++03 and later. [MIT]

Debug

• check (⭐1.2k) - Check is a unit testing framework for C. [LGPL-2.1] website

Math

• Armadillo - Fast C++ library for linear algebra & scientific computing. [Apache2] website

Miscellaneous

• libusb - A universal USB library which allows for portable access to USB devices. [LGPL2]

Math

• lp_solve - A library used to formulate and solve linear programming problems. [LGPL] website

Image Processing

• libjpeg-turbo (⭐4.3k) - A JPEG image codec that uses SIMD instructions to accelerate baseline JPEG encoding and decoding. [IJG & BSD-3-Clause & zlib] website

Memory Allocation

• Boehm GC (⭐3.4k) - Conservative garbage collector for C and C++. [similar to X11] website

Scripting

• V8 - A fast JavaScript engine by Google that can be embedded into any C++ application. [BSD]

Math

• Dlib (⭐14k) ⚡ - A modern C++11 machine learning, computer vision, numerical optimization, and deep learning toolkit. [Boost] website

Scripting

• AngelScript - AngelScript is a game-oriented interpreted/compiled scripting language. [zlib]

Serialization

• nanopb (⭐5.3k) - Small code-size Protocol Buffers implementation in ANSI C. [Zlib]

Database

• SOCI (⭐1.6k) - A database abstraction layer for C++. [Boost]

Artificial Intelligence

• PyTorch (⭐99k) - Tensors and Dynamic neural networks in Python with strong GPU acceleration. website

Audio

• Wav2Letter++ (⭐6.4k) - Public domain, a fast open source speech processing toolkit written entirely in C++ and uses the ArrayFire tensor library and the flashlight machine learning library for maximum efficiency. [BSD]

Artificial Intelligence

• MXNet (⭐21k) - Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, JavaScript and more. website

JSON

• Jsmn (⭐4.1k) - A minimalistic JSON parser in C. [MIT]

Networking

• PicoHTTPParser (⭐2.1k) - A tiny, primitive, fast HTTP request/response parser. [MIT]

Regular Expression

• sregex (⭐625) - A non-backtracking NFA/DFA-based Perl-compatible regex engine library for matching on large data streams. [BSD]

Image Processing

• CxImage - An image processing and conversion library to load, save, display, transform BMP, JPEG, GIF, PNG, TIFF, MNG, ICO, PCX, TGA, WMF, WBMP, JBG, J2K images. [zlib]

• Simd (⭐2.2k) - C++ image processing library with using of SIMD: SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, VMX(Altivec) and VSX(Power7), NEON for ARM. [MIT]

Networking

• c-ares (⭐2.1k) - A C library for asynchronous DNS requests. [MIT]

Physics

• Project Chrono (⭐2.8k) - An open source multi-physics simulation engine. [BSD-3-Clause] website

Graphics

• Yocto/GL (⭐2.9k) - Tiny C++ Libraries for Data-Driven Physically-based Graphics. [MIT]

Logging

• plog (⭐2.5k) - Portable and simple log for C++ in less than 1000 lines of code. [MPL2]

Sorting

• pdqsort (⭐2.5k) - Pattern-defeating quicksort. [zlib]

Miscellaneous

• DynaMix (⭐693) - A library which allows you to compose and modify objects at run time. [MIT]

Build Systems

• Cget (⭐461) - Cmake package retrieval. [Boost] website

Image Processing

• stb-image (⭐33k) - STB single-header image loading library. [Public Domain]

Internationalization

• gettext - GNU 'gettext'. [GPL2]

Coding Style Tools

• Artistic Style - A tool to format C/C++/C#/Obj-C/Java code. Also known as astyle.

Inter-process communication

• rpclib (⭐1.8k) - A modern C++ msgpack-RPC server and client library. [MIT]

JSON

• sajson (⭐571) - Lightweight, extremely high-performance JSON parser for C++11. [MIT]

Serialization

• Bond (⭐2.6k) - An open source, cross-platform framework for working with schematized data. [MIT]

Graphics

• assimp (⭐13k) - Open Asset Import Library (assimp) is a cross-platform 3D model import library which aims to provide a common API for different 3D asset file formats. [BSD-3-Clause] website

Database

• sqlpp11 (⭐2.6k) - A type safe embedded domain specific language for SQL queries and results in C++. [BSD-2-Clause]

Concurrency

• libdispatch (⭐2.6k) - Grand Central Dispatch (GCD), developed by Apple Inc., is a task parallelism technology based on the thread pool pattern. libdispatch is a library that provides the implementation of GCD's services. [Apache-2.0] website

PDF

• DynaPDF - An easy-to-use PDF generation library. [Commercial]

Scientific Computing

• AMGCL (⭐844) - a header-only C++ library for solving large sparse linear systems with algebraic multigrid. [MIT]

Inter-process communication

• Ice (⭐2.2k) - Comprehensive RPC framework with support for C++, C#, Java, JavaScript, Python and more. [GPLv2]

Networking

• libpcap (⭐3.1k) - A portable C/C++ library for network traffic capture. [BSD] website

Web Application Framework

• facil.io (⭐2.4k) - Evented, high performance C web framework supporting HTTP, WebSockets, SSE and more. [MIT] website

Networking

• Libmicrohttpd - GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application. [LGPL v2.1+]

CLI

• linenoise (⭐4.2k) - A small self-contained alternative to readline and libedit. [BSD-2-Clause]

• linenoise-ng (⭐370) - A small, portable GNU readline replacement for Linux, Windows and MacOS which is capable of handling UTF-8 characters. [BSD]

Graphics

• TinySpline (⭐1.3k) - A small, yet powerful ANSI C library for interpolating, transforming, and querying arbitrary NURBS, B-Splines, and Bézier curves. [MIT]

JSON

• LIBUCL (⭐1.7k) ⚡ - Universal configuration library parser. [BSD-2-Clause]

Multimedia

• libav (⭐1.1k) - A collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata. [LGPL v2.1+ and others] website

Networking

• Wangle (⭐3.1k) - A client/server application framework to build asynchronous, event-driven modern C++ services. [Apache-2.0]

Game Engine

• OpenXRay (⭐3.5k) - a community-modified X-Ray engine used in S.T.A.L.K.E.R. game series. [Modified BSD/non-commercial only]

Scripting

• sol2 (⭐5k) - A C++ <-> Lua API wrapper with advanced features and top notch performance. [MIT]

Inter-process communication

• nng (⭐4.6k) - nanomsg-next-generation, a light-weight brokerless messaging library. [MIT] website

Build Systems

• Spack - A flexible package manager that supports multiple versions, configurations, platforms, and compilers. [Apache-2.0/MIT]

• XMake - A C/C++ cross-platform build utility based on Lua that comes with an integrated package manager, xrepo. [Apache]

Multimedia

• TagLib (⭐1.4k) - A library for reading and editing the metadata of several popular audio formats. [LGPL/MPL] website

Regular Expression

• CTRE (⭐3.8k) - A Compile time PCRE (almost) compatible regular expression matcher. [MIT]

Game Engine

• PixelGameEngine (⭐4.2k) - The official distribution of olcPixelGameEngine, a tool used in javidx9's YouTube videos and projects. [OLC3]

Cryptography

• libhydrogen (⭐763) - A lightweight, secure, easy-to-use crypto library suitable for constrained environments. [ISC]

Serialization

• YAS (⭐774) - Very fast Yet Another Serialization library supports the binary/text/json formats. [Boost]

Compression

• libarchive (⭐3.5k) - Multi-format archive and compression library. [New BSD] website

Scripting

• LuaBridge (⭐1.8k) - A lightweight, dependency-free library for binding Lua to C++. [MIT]

Static Code Analysis

• cpplint (⭐1.8k) - A C++ style checker following Google's C++ style guide.

XML

• Mini-XML (⭐509) - A small XML parsing library written in ANSI C. [LGPL2 with exceptions]

Articles

• CppCon 2018 Presentation Materials (⭐1.4k) - CppCon 2018 Presentation Materials.

• C++Now 2018 Presentations (⭐125) - Presentation materials presented at C++Now 2018.

Memory Allocation

• Hoard (⭐1.2k) - Fast, Scalable, and Memory-efficient Malloc for Linux, Windows, and Mac. [Apache-2.0] website

• jemalloc (⭐11k) - General purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support. [BSD] website

Biology

• BioC++ - C++ Computational Libraries for Bioinformatics. [BSD]

• Chaste - An open source C++ library for the computational simulation of mathematical models developed for physiology and biology. [BSD]

PDF

• PoDoFo - A library to work with the PDF file format. [LGPL]

• Xpdf - Xpdf is a free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. [GPL v2/GPL v3]

Online Compiler

• Try It Online - TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.

CLI

• termbox (⭐2k) - A C library for writing text-based user interfaces. [MIT]

Networking

• ACE - An OO Network Programming Toolkit in C++. [?MIT?]

Concurrency

• Async++ (⭐1.4k) - A lightweight concurrency framework for C++11, inspired by the Microsoft PPL library and the N3428 C++ standard proposal. [MIT]

Miscellaneous

• SimpleSignal (⭐178) - High performance C++11 signals. [PublicDomain]

Frameworks

• ETL (⭐3k) - Embedded Template Library. [MIT]

Podcasts

• CppCast - The first podcast by C++ developers for C++ developers.

Cryptography

• Tink (⭐14k) - A multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse. [Apache-2.0]

Cryptography

• sha1collisiondetection (⭐1.4k) - Library and command line tool to detect SHA-1 collision in a file. [MIT]

Artificial Intelligence

• Genann (⭐2.3k) - Simple neural network library in C. [zlib]

Database

• nanodbc (⭐379) - A small C++ wrapper for the native C ODBC API. [MIT]

• ODB - An open-source, cross-platform, and cross-database object-relational mapping (ORM) system for C++. [GPLv2]

Game Engine

• Acid (⭐2k) - A high speed C++17 Vulkan game engine. [MIT]

Math

• TinyExpr (⭐1.9k) - A C library for parsing and evaluating math expressions from strings. [zlib]

Networking

• H2O (⭐11k) - An optimized HTTP server with support for HTTP/1.x and HTTP/2. It can also be used as a library. [MIT]

Miscellaneous

• Tulip Indicators - A C library of over 100 financial technical analysis indicators. [LGPL]

Logging

• P7Baical - An open source and cross-platform library for high-speed sending telemetry & trace data with minimal usage of CPU and memory. [LGPL]

Concurrency

• transwarp (⭐631) - A header-only C++ library for task concurrency. [MIT]

Math

• Geometric Tools - C++ library for computing in the fields of mathematics, graphics, image analysis and physics. [Boost] website

Math

• StatsLib (⭐558) - A C++ header-only library of statistical distribution functions. [Apache2] website

Build Systems

• Bazel - A multi-language, fast and scalable build system from Google. [Apache]

Image Processing

• TinyEXIF (⭐140) - Tiny ISO-compliant C++ EXIF and XMP parsing library for JPEG. [MIT]

Build Systems

• clib (⭐5.1k) - Package manager for the C programming language. [MIT]

Graphics

• libigl (⭐5k) - Simple C++ geometry processing library. [MPL2]

• NanoVG (⭐5.6k) - Antialiased 2D vector drawing library on top of OpenGL for UI and visualizations. [Zlib]

Networking

• ENet (⭐3.2k) - Reliable UDP networking library. [MIT] website

Machine Learning

• VLFeat (⭐1.6k) - The VLFeat open source library implements popular computer vision algorithms specialising in image understanding and local featurexs extraction and matching. [BSD-2-Clause] website

Game Engine

• EnTT (⭐13k) - Gaming meets modern C++. [MIT]

Concurrency

• Intel Parallel STL (⭐767) - Intel® implementation of C++17 STL for C++11 and above. [Apache2]

Containers

• ring_span lite (⭐166) - A simplified implementation of Arthur O'Dwyer's ring_span implementation ie. a circular buffer view. [MIT]

Containers

• plf::list (⭐171) - A std::list implementation which removes range splicing in order to enable cache-friendlier structure, yielding significant performance gains. [zLib] website

• plf::stack (⭐75) - A replacement container for the std::stack container adaptor, with better performance than any std container in a stack context. [zLib] website

Debug

• Nanotimer (⭐150) - A simple low-overhead cross-platform timer class for benchmarking. [zLib] website

Sorting

• Timsort (⭐315) - A templated stable sorting function which outperforms quicksort-based algorithms including std::sort, for reversed or semi-sorted data. [MIT]

Audio

• SoLoud (⭐2.1k) - Easy, portable audio engine for games. [zlib]

Graphics

• Diligent Engine (⭐4.3k) - A modern cross-platform low-level 3D graphics library. [Apache2]

Online Compiler

• repl.it - A powerful yet simple tools and platforms for educators, learners, and developers.

CLI

• CLI11 (⭐4.2k) - Header only single or multi-file C++11 library for simple and advanced CLI parsing. [BSD]

Integrated Development Environment

• cquery (⭐2.4k) - A C++ code completion engine for vscode, emacs, vim, etc.

Debug

• Deleaker - A tool for resource leak detection, including memory, GDI and handle leaks.

CLI

• replxx (⭐746) - A readline and libedit replacement that supports UTF-8, syntax highlighting, hints, works on Unix and Windows. [BSD]

Static Code Analysis

• CppDepend - Simplifies managing a complex C/C++ code base by analyzing and visualizing code dependencies, by defining design rules, by doing impact analysis, and comparing different versions of the code.

Database

• SQLiteC++ (⭐2.7k) - SQLiteC++ (SQLiteCpp) is a smart and easy to use C++ SQLite3 wrapper. [MIT]

• sqlite_modern_cpp (⭐946) - Header only C++14 wrapper around sqlite library. [MIT]

Debug

• MinUnit (⭐634) - A minimal unit testing framework for C self-contained in a single header file. [MIT]

Math

• GMP - A C library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating-point numbers. [LGPL3 & GPL2]

Scripting

• SIP - C or C++ Bindings Generator for Python v2 and v3. [GPL]

Serialization

• MessagePack (⭐3.3k) - Efficient binary serialization format "like JSON" for C and C++. [Apache2] website

Integrated Development Environment

• Cevelop - Cross-platform C and C++ IDE based on Eclipse CDT with additional plug-ins.

• CLion - Cross-platform C and C++ IDE from JetBrains.

• CodeLite - Another cross-platform, free C and C++ IDE. [GPL2 with an exception for plugins]

Books

• List of Free C or C++ Books (⭐71k)

Videos

• List of C or C++ YouTube Videos (⭐71k)

Websites

• C++ Hints - Every business day hints about most often C++ mistakes and ways to solve them from PVS-Studio Team.

Other Awesome Projects

• Awesome C++ - LibHunt's mirror.

• Awesome interview questions (⭐82k) - A list of lists of interview questions for the most popular technologies, including C and C++.

Audio

• minimp3 (⭐1.9k) - Public domain, header-only MP3 decoder with clean-room implementation. [CC0]

Cryptography

• digestpp (⭐204) - C++11 header-only message digest (hash) library. [PublicDomain]

Scientific Computing

• TileDB (⭐2k) - Fast Dense and Sparse Multidimensional Array DBMS. [MIT] website

Build Systems

• Hunter - CMake driven cross-platform package manager for C++. [BSD-2]

Graphics

• magnum (⭐5.1k) - Lightweight and modular C++11/C++14 graphics middleware for games and data visualization. [MIT] website

Frameworks

• Yomm2 (⭐382) - Fast, Orthogonal, Open multi-methods. Supersedes Yomm11 (⭐119) [Boost]

Frameworks

• FunctionalPlus (⭐2.3k) - Functional Programming Library for C++. Write concise and readable C++ code. [MIT]

Artificial Intelligence

• frugally-deep (⭐1.1k) - Header-only library for using Keras models in C++. [MIT]

Cryptography

• Tiny AES in C (⭐4.9k) - Small portable AES128/192/256 in C. [PublicDomain]

Containers

• sparsepp (⭐1.3k) - A fast, memory efficient hash map for C++. [BSD 3-clause]

Logging

• loguru (⭐1.9k) - A lightweight C++ logging library. [PublicDomain]

Machine Learning

• xgboost (⭐28k) - Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Flink and DataFlow. [Apache2]

Other Awesome Projects

• AwesomePerfCpp (⭐2.5k) - A curated list of awesome C/C++ performance optimization resources.

Web Application Framework

• Cutelyst (⭐970) - A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework. [BSD-3-Clause] website

Networking

• evpp (⭐3.8k) - C++ high performance networking with TCP/UDP/HTTP protocols. [BSD]

Websites

• C++ tutorial - A user ranked online tutorial bank site displaying multiple courses to learn C++ from.

Video

• Vireo (⭐955) - A lightweight and versatile video processing library by Twitter. [MIT]

Articles

• C++Now 2017 Presentations (⭐499) - Presentation materials presented at C++Now 2017.

• C++Now 2016 Presentations (⭐82) - Presentation materials presented at C++Now 2016.

Concurrency

• alpaka (⭐4) - Abstraction library for parallel kernel acceleration. [LGPLv3+]

• cupla (⭐4) - C++ API to run CUDA/C++ on OpenMP, Threads, TBB, ... through Alpaka. [LGPLv3+]

Frameworks

• GLib - GLib provides the core application building blocks for libraries and applications written in C. [LGPL]

• tbox (⭐5.1k) - A glib-like multi-platform c library. [Apache2] website

Concurrency

• concurrentqueue (⭐12k) - A fast multi-producer, multi-consumer lock-free concurrent queue for C++11. [BSD,Boost]

• readerwriterqueue (⭐4.5k) - A fast single-producer, single-consumer lock-free queue for C++. [BSD]

GUI

• Yue (⭐3.6k) - A library for creating native cross-platform GUI apps. [LGPLv2]

Graphics

• herebedragons (⭐1.8k) - A basic 3D scene implemented with various engines, frameworks or APIs. [MIT] website

• Ion (⭐1.4k) - A small and efficient set of libraries for building cross-platform client or server applications that use 3D graphics. [Apache2] website

Scientific Computing

• Torch (⭐9.1k) - A scientific computing framework with wide support for machine learning algorithms that puts GPUs first. [BSD-3-Clause] website

Scripting

• ctypes.sh (⭐2.2k) - A foreign function interface for bash. [MIT]

Static Code Analysis

• cpp-dependencies (⭐772) - Tool to check C++ #include dependencies (dependency graphs created in .dot format). [Apache]

Serial Port

• Asio (⭐5.8k) - Asio includes classes for creating and manipulating serial ports in a portable manner. [Boost] website

Asynchronous Event Loop

• C++ Actor Framework (⭐3.4k) - An Open Source Implementation of the Actor Model in C++. [BSD-3-Clause] website

Debug

• Catch2 (⭐20k) - A modern, C++-native, test framework for unit-tests, TDD and BDD. [Boost]

• CppUTest (⭐1.5k) - Unit testing and mocking framework for C/C++. [BSD-3-clause]

Networking

• nghttp2 (⭐5k) - HTTP/2 C Library. [MIT] website

• uWebSockets (⭐19k) - µWS is one of the most lightweight, efficient & scalable WebSocket & HTTP server implementations available. [Zlib]

Scripting

• cppimport (⭐1.2k) - Import C++ files directly from Python! [MIT]

• CppSharp (⭐3.4k) - Tools and libraries to glue C/C++ APIs to high-level languages. [MIT]

• nbind (⭐2k) - Magical headers that make your C++ library accessible from JavaScript. [MIT]

Static Code Analysis

• include-what-you-use (⭐4.7k) - A tool for use with clang to analyze includes in C and C++ source files. website

Scripting

• Cython (⭐11k) - Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language (based on Pyrex). It makes writing C extensions for Python as easy as Python itself. [Apache] website

• JavaCpp (⭐4.7k) - The missing bridge between Java and native C++. [Apache2]

• libffi (⭐4.2k) - A portable foreign-function interface library. [MIT] website

• pybind11 (⭐18k) - Seamless operability between C++11 and Python. [BSD]

• SWIG (⭐6.3k) - A wrapper/interface Generator that let you link your c++ code to JavaScript, Perl, PHP, Python, Tcl and Ruby. [GPL/Output not licensed] website

Build Systems

• Bear (⭐6.3k) - A tool to generate compilation database for clang tooling. [GPLv3]

Graphics

• DirectXTK (⭐2.8k) - A collection of helper classes for writing DirectX 11.x code in C++. [MIT]

Multimedia

• MediaInfoLib (⭐754) - Convenient unified display of the most relevant technical and tag data for video and audio files. [BSD]

Math

• OpenBLAS (⭐7.4k) - An optimized BLAS library based on GotoBLAS2 1.13 BSD version. [BSD 3-clause] website

CLI

• TCLAP - A mature, stable and feature-rich library for defining and accessing command line arguments in ANSI C++. [MIT]

Cryptography

• BeeCrypt - A portable and fast cryptography library. [LGPLv2.1+]

Game Engine

• KlayGE (⭐2.2k) - a cross-platform open source game engine with plugin-based architecture. [GPLv2] website

Networking

• HTTP Parser (⭐6.4k) ⚡ - A http request/response parser for C. [MIT]

• libquic (⭐1.8k) - A QUIC protocol library extracted from Chromium's QUIC Implementation. [BSD]

• libwebsockets (⭐5.3k) - A lightweight pure C WebSocket implementation that provides both client and server libraries. [LGPL2.1 + static link exception] website

Regular Expression

• CppVerbalExpressions (⭐391) - C++ regular expressions made easy. [MIT]

• PCRE - A regular expression C library inspired by the regular expression capabilities in Perl. [BSD]

• RE2 (⭐9.7k) - A software library for regular expressions via a finite-state machine using automata theory. [BSD-3-Clause]

• SLRE (⭐554) - Super Light Regexp engine for C/C++. [GPLv2/Proprietary]

Cryptography

• Bcrypt - A cross platform file encryption utility. Encrypted files are portable across all supported operating systems and processors. [BSD]

• Crypto++ (⭐5.4k) - A free C++ class library of cryptographic schemes. [Boost] website

• Libgcrypt - A general purpose cryptographic library originally based on code from GnuPG. [LGPLv2.1+]

Machine Learning

• RNNLIB (⭐904) - RNNLIB is a recurrent neural network library for sequence learning problems. [GPLv3]

Math

• CGAL (⭐5.8k) - Collection of efficient and reliable geometric algorithms. [LGPL&GPL] website

• linmath.h (⭐1k) - A lean linear math library, aimed at graphics programming. [WTFPL]

PDF

• Poppler - Open-source multi-backend PDF rendering library based on the xpdf-3.0 code base. [GPLv2/GPLv3]

Frameworks

• abseil-cpp (⭐17k) - Abseil C++ Common Libraries. [Apache2]

JSON

• json-c (⭐3.3k) - A JSON implementation in C. [MIT]

Logging

• glog (⭐7.4k) - C++ implementation of the Google logging module.

PDF

• libharu (⭐2k) - A free, cross platform, open-sourced software library for generating PDF. [zlib]

• MuPDF - A lightweight PDF, XPS, and E-book viewer. [AGPL/Proprietary]

Networking

• Seasocks (⭐779) - Simple, small, C++ embeddable webserver with WebSockets support. [BSD]

Standard Libraries

• The GNU C Library - The purpose of this manual is to tell you how to use the facilities of the GNU C Library.

Artificial Intelligence

• Kaldi (⭐15k) - Toolkit for speech recognition. [Apache]

Debug

• fff (⭐912) - A micro-framework for creating fake C functions. [MIT]

Articles

• CppCon 2017 Presentation Materials (⭐1.8k) - CppCon 2017 Presentation Materials.

CLI

• PDCurses (⭐1.2k) - Public domain curses library with both source code and pre-compiled library available. [PublicDomain]

Debug

• utest.h (⭐964) - Single header unit testing framework for C and C++. [Unlicense]

Internationalization

• utf8.h (⭐1.9k) - Single header utf8 string functions for C and C++. [Unlicense]

JSON

• json.h (⭐815) - A simple one header/one source solution to parsing JSON in C and C++. [Unlicense]

Networking

• curlcpp (⭐672) - An object oriented C++ wrapper for CURL(libcurl). [MIT]

• wdt (⭐3k) - An embeddedable library (and command line tool) aiming to transfer data between 2 systems as fast as possible over multiple TCP paths. [BSD-3-Clause]

CLI

• Argh! (⭐1.4k) - A minimalist, frustration-free, header-only argument handler. [BSD]

GUI

• libui (⭐11k) - Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports. [MIT]

Miscellaneous

• stdman (⭐990) - A tool that parses archived HTML files from cppreference and generates groff-formatted manual pages for Unix-based systems. [MIT]

• value-category-cheatsheet (⭐407) A PDF cheatsheet for lvalues, rvalues, and the like. [Jank copyleft]

Concurrency

• libdill (⭐1.9k) - Introduces structured concurrency in C. [MIT]

• libmill (⭐3.2k) - Introduces Go-style concurrency in C. [MIT]

Miscellaneous

• stb (⭐33k) ⚡ - A range of single-file libraries for C/C++. [PublicDomain]

Other Awesome Projects

• awesome (⭐456k) ⚡ - A curated list of awesome lists.

• nothings/single_file_libs (⭐9.9k) ⚡ - List of single-file C/C++ libraries.

Debugger

• x64dbg - An open-source x64/x32 debugger for windows.

Artificial Intelligence

• CNTK (⭐18k) - Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit. [Boost]

Networking

• Breep (⭐146) - Event based, high-level C++14 peer-to-peer library. [EUPL-1.1 (OSI approved)]

Miscellaneous

• Kangaru (⭐545) - A dependency injection container for C++11 and C++14. [MIT]

Database

• SimDB (⭐558) - High performance, shared memory, lock free, cross platform, single file, minimal dependencies, C++11 key-value store. [Apache2]

Asynchronous Event Loop

• uvw (⭐2k) - C++ wrapper for libuv. [MIT]

Web Application Framework

• lwan (⭐6k) - Experimental, scalable, high performance HTTP server. [GPL2]

Game Engine

• Urho3D - A free lightweight, cross-platform 2D and 3D game engine implemented in C++. Greatly inspired by OGRE and Horde3D. [MIT]

Cryptography

• OpenSSL (⭐30k) - A robust, commercial-grade, full-featured, and Open Source cryptography library. [Apache] website

Miscellaneous

• {fmt} (⭐23k) ⚡ - Small, safe and fast formatting library for C++. [Simplified BSD] website

Concurrency

• Intel TBB - Intel® Threading Building Blocks. [Apache2]

Artificial Intelligence

• tiny-dnn (⭐6k) - A header only, dependency-free deep learning framework in C++11. [BSD]

Coding Style

• Linux kernel coding style

Machine Learning

• mlpack (⭐5.6k) - A scalable c++ machine learning library. [LGPLv3] website

Containers

• Hopscotch map (⭐763) - A fast header-only hash map which uses hopscotch hashing for collisions resolution. [MIT]

Other Awesome Projects

• C++ links (⭐5.2k) - A categorized list of C++ resources.

Static Code Analysis

• PVS-Studio - A tool for bug detection in the source code of programs, written in C, C++ and C#.

Image Processing

• DCMTK - DICOM Toolkit.

Image Processing

• tesseract-ocr - An OCR engine. [Apache2]

Static Code Analysis

• Infer (⭐16k) - A static analyzer for Java, C and Objective-C. [BSD]

Debug

• backward-cpp (⭐4.3k) - A beautiful stack trace pretty printer for C++. [MIT]

Cryptography

• Themis (⭐2k) - crypto library for painless data security, providing symmetric and asymmetric encryption, secure sockets with forward secrecy, for mobile and server platforms. [Apache2]

Logging

• Blackhole (⭐203) - Attribute-based logging framework, which is designed to be fast, modular and highly customizable. [MIT]

Build Systems

• Conan - C/C++ Package Manager, open sourced. [MIT]

Cryptography

• mbedTLS (⭐6.6k) - An open source, portable, easy to use, readable and flexible SSL library, previously known as PolarSSL. [Apache2] website

Math

• Vc (⭐1.5k) - SIMD Vector Classes for C++. [BSD]