quozd/awesome-dotnet

Platforms 11 hours ago 14.9k

A collection of awesome .NET libraries, tools, frameworks and software

Today

Books

.NET in Action, Second Edition - An introduction to implementing full-featured, cross-platform professional applications on the Microsoft .NET platform. [$]

Jun 22nd

RPC

gRPC UI stars3.3k - gRPC UI is a command-line tool that lets you interact with gRPC servers via a browser. It's sort of like Postman, but for gRPC APIs instead of REST.

Jun 21st

Serialization

F# Data - F# type providers for accessing XML, JSON, CSV and HTML files (based on sample documents) and for accessing WorldBank data

RPC

gRPCurl stars7.1k - gRPCurl is a command-line tool that lets you interact with gRPC servers. It's basically curl for gRPC servers.

Jun 19th

RPC

BloomRPC stars8.2k - BloomRPC aims to provide the simplest and most efficient developer experience for exploring and querying your GRPC services.

Jun 18th

RPC

gRPC stars3.2k An RPC library and framework for .NET Core. Read more about it on Docs Microsoft

CoreRPC stars63 - Extensible library for WCF-like RPC targeting netstandard1.3. Compatible with .NET, Mono and .NET Core.

Jun 12th

API

WTelegramClient stars237 - Automate a user account on Telegram, using the latest version of Telegram Client API

Jun 6th

Blazor

Megabit.Blazorise stars2.4k - Blazorise is a component library built on top of Blazor and CSS frameworks like Bootstrap, Bulma and Material. Very easy to use.

Jun 3rd

Books

ASP.NET Core Web API - A book about designing and implementing APIs using the REST and GraphQL standards. [$]

.NET Maui in Action - A book about creating mobile and desktop apps using a common set of .NET tools. [$]

Jun 1st

Cryptography

Paseto.Core stars42 - A Paseto (Platform-Agnostic Security Tokens) implementation for .NET

May 29th

Source Generator

Supernova.Enum.Generators stars33 - A C# source generator to create an enumeration class from an enum type. With this package, you can work on enums very, very fast without using reflection.

May 25th

PDF

Kevsoft.PDFtk stars18 - A wrapper to drive the awesome pdftk binary, which can fill PDF forms, get field information, concatenate multiple documents or pages, split documents, add or replace stamps, and can attach files to or download files from pages.

May 24th

Scheduling

NCrontab.Scheduler stars7 - Simple task scheduler library for scheduling NCrontab-based tasks

May 23rd

Other Lists

dotnet-console-games stars322 - Game examples implemented in .NET console applications.

Feb 22nd

Image Processing

PixelViewer stars33 - Cross-platform (Windows/macOS/Linux) image viewer which supports reading raw Luminance/YUV/RGB/ARGB/Bayer pixels data from file and rendering it. 10/16-bit YUV and viewing image frame sequence are also supported (v1.99+).

Cryptography

CryptoNet stars16 - .NET simple crypto library. Native c#.

Feb 20th

CLI

Appccelerate - Command Line Parser - A command-line parser with fluent definition syntax, different argument types, required and optional arguments, value restrictions, aliases, type conversion and semi-automatic usage help message composition

Machine Learning and Data Science

F# Data stars724 - F# type providers for accessing XML, JSON, CSV and HTML files (based on sample documents) and for accessing WorldBank data

Testing

xBehave.net stars383 - An xUnit.net extension for describing your tests using natural language.

Feb 8th

CMS

Squidex stars1.7k GitHub stars

- Open source headless CMS and content management hub. https://squidex.io

Tools

UnitsNet stars1.6k - Makes life working with units of measurement just a little bit better.

Regular Expression

RegExtract stars616 - Clean & simple idiomatic C# RegEx-based line parser that emits strongly typed results.

Jan 6th

Database Drivers

Stowage stars86 - Bloat-free zero dependency .NET cloud storage kit that supports at minimum THE major cloud providers.

Dec 29th, 2021

Git Tools

Husky.Net stars266 - Git hooks made easy with Husky.Net internal task runner, You can use it to lint your commit messages, run tests, lint code, etc... when you commit or push. supports C# scripts, gitflow hooks, Multiple file states (staged, lastCommit, glob)

Dec 27th, 2021

Tools

CSharpier stars321 - An opinionated code formatter for c# that is based on the Prettier stars43.2k printing process.

Dec 21st, 2021

Logging

ULogViewer stars64 - Cross-Platform (Windows/macOS/Linux) Universal Log Viewer which supports reading and parsing various type of logs. You can also define your own profile to parse and show logs.

Books

Microservices in .NET Second Edition - A comprehensive guide to building microservice applications using the .NET stack. [$]

ASP.NET Core Razor Pages in Action - A comprehensive guide to how to use Razor Pages to create dynamic websites that are easy to test and scale. [$]

Dec 17th, 2021

Blazor

MASA.Blazor stars314 - A set of enterprise-class UI components based on Material Design and Blazor WebAssembly.

Dec 6th, 2021

Reactive Programming

ObsevableComputations stars86 - A cross-platform .NET library for computations whose arguments and results are objects that implement INotifyPropertyChanged and INotifyCollectionChanged (ObservableCollection) interfaces.

Dec 4th, 2021

Application Frameworks

Signals stars39 - Signals is a .NET5 based framework which focuses on increasing the quality and productivity within development teams by providing them with tools, aspects and processes.

Serialization

FlatSharp stars261 - Fast, idiomatic FlatBuffers implementation. Use .fbs files or attributes.

Nov 30th, 2021

MVVM

Community Toolkit - Collection of control & helper libraries and samples for various .NET technologies. Contains modern MVVM library, supported by Microsoft. Includes Windows Community Toolkit stars5k, MAUI Community Toolkit stars676, and Dotnet Community Toolkit stars899.

GUI

UNO Platform - The only platform for building native mobile, desktop and WebAssembly with C#, XAML from a single codebase. Open source and professionally supported. Website: platform.uno

Nov 13th, 2021

Logging

Sejil stars102 - Capture, view and filter your ASP.NET Core app's logs right from your app. It supports structured logging, querying as well as saving log queries.

Oct 29th, 2021

Books

Functional Programming in C#, Second Edition - Real world examples and practical techniques for functional programming in C# without the jargon and theory. [$]

ASP.NET Core in Action, Second Edition - A comprehensive guide to creating web applications with ASP.NET Core 5.0. [$]

Code Like a Pro in C# - Build on your existing programming skills and upskill to professional-level C# programming. [$]

ASP.NET Core Security - A practical and hands-on guide to securing web applications built with ASP.NET. [$]

Oct 25th, 2021

Serialization

ObjectDumper.NET stars253 - Serializes in-memory object to C# code.

Oct 24th, 2021

Mathematics

WPF-Math stars430 - a .NET library for rendering mathematical formulae using the LaTeX typesetting style, for the WPF framework

Office

Toxy stars236 - .NET text extraction framework supports a few file formats

ORM

SqlSugar stars4k - Another ORM library supports many RDBMS including MySql, SqlServer, Sqlite, Oracle, Postgresql

Oct 23rd, 2021

JavaScript Engines

YantraJS stars31 - JavaScript Runtime (Similar to NodeJS) for .NET Standard, compiles JavaScript to IL, support for many ES6 features, generators, CommonJS modules, CSX modules and expression compiler.

Misc

Build Versioning stars17 - Simple build versioning for .NET, powered by Git tags

Oct 22nd, 2021

Testing

NBomber stars1.5k - Very simple load testing framework for Pull and Push scenarios. It's 100% written in F# and targeting .NET Core and full .NET Framework.

Oct 12th, 2021

Game

osu!framework stars1.1k - A 2D application/game written with amazing games in mind.

Sep 28th, 2021

Application Frameworks

Plastic stars29 - Plastic provides encapsulation of things like Domain, Application Rules, Business Rules or Business Logic in Application. For this, Command pattern is used.

Chat

Stream stars31 Official .NET API client for Stream Chat, a service for building chat applications.

Graphics

ScottPlot - A plotting library to interactively displays large datasets. Line plots, bar charts, pie graphs, scatter plots, and more. It supports WinForms, WPF, Avalonia, Console.

Sep 21st, 2021

Graphics

LiveCharts2 stars1.8k - Simple, flexible, interactive & powerful charts, maps, and gauges for .Net. LiveCharts2 supports WPF, WinForms, Xamarin, Avalonia, WinUI, UWP.

Sep 7th, 2021

Mathematics

Vim.Math3d stars62 - A feature-rich cross-platform replacement for System.Numerics with support for consistent serialization and binary layout, and additional structures and algorithms for efficient 3D Math.

Aug 19th, 2021

Game

FNA stars1.6k - FNA is an XNA4 reimplementation that focuses solely on developing a fully accurate XNA4 runtime for the desktop

Aug 17th, 2021

Cryptography

NaCl.Core stars54 - A managed-only cryptography library for .NET which provides modern cryptographic primitives.

Aug 13th, 2021

Machine Learning and Data Science

m2cgen stars2.1k - A CLI tool to transpile trained classic ML models into a native .NET (C#, F# or Visual Basic) code with zero dependencies.

Functional programming

Curryfy stars45 - Provides strongly typed extensions methods for C# delegates to take advantages of functional programming techniques, like currying and partial application.

MoreLinq stars3k - Provides extra methods to LINQ to Objects.

Misc

RecordParser stars156 - Library to help reading and writing CSV and Flat files with zero heap allocation.

Aug 1st, 2021

Distributed Computing

.NEXT Raft stars766 - Raft implementation for .NET and ASP.NET Core that allows to build clustered microservices powered by distributed consensus and replication

Office

ShapeCrawler stars103 - A fluent API for the processing of PowerPoint presentations without Microsoft Office installed.

MiniExcel stars960 - A micro Excel helper avoids OOM and high performance to create/mapping/template-fill-data.

Image Processing

ColorHelper stars21 - Useful methods for work with colors.

Visual Studio Plugins

ViEmu - very powerful Vi/vim emulator for Visual Studio supporting all basic and many advanced features of vi/vim. [$]

Tabs Studio - Visual Studio tab manager with multiple tab rows, tab coloring and tab grouping. [$]

Roslynator stars2.4k - A collection of 500+ analyzers, refactorings and fixes for C#, powered by Roslyn

Unchase.Odata.Connectedservice stars36 - A Visual Studio Connected Service for generating API client code in C# or VB for OData web service.

Unchase.OpenAPI.Connectedservice stars63 - A Visual Studio 2017/2019 extension to generate C# (TypeScript) HttpClient (or C# Controllers) code for OpenAPI web service with NSwag stars5.2k.

Graphics

Aspose.Drawing - Fully managed, cross-platform, complete 2D graphic library for drawing text, geometries, and images, with System.Drawing compatible API. [$]

Interactive programming

.NET Interactive stars1.9k - .NET Interactive takes the power of .NET and embeds it into your interactive experiences.

Testing

CsCheck stars63 - Random testing library for C#. Including concurrency, causal profiling, regression and performance testing.

BDTest - A behaviour driven testing and reporting framework!

Protocols

Tecan SiLA2 SDK - A library and code generator to develop SiLA2 clients and servers.

API

CommandQuery stars66 - Command Query Separation for 🌐ASP.NET Core ⚡AWS Lambda ⚡Azure Functions ⚡Google Cloud Functions 🌐ASP.NET Web API 2

Application Frameworks

silky stars189 - The Silky framework is designed to help developers quickly build a microservice development framework through simple code and configuration under the .net platform.

Networking

SharpPcap stars903 - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets from live and file based devices.

Queue

Silverback - A simple but feature-rich message bus for .NET core (supports Kafka, RabbitMQ and MQTT).

Blazor

ant-design-blazor stars4.3k - A set of enterprise-class UI components based on Ant Design and Blazor WebAssembly.

SDK and API Clients

Cloudmersive APIs - An API client library for .NET [Proprietary][Free]

Mathematics

AngouriMath stars555 - An open-source symbolic/computer algebra library, made primarily for C# and F#. It covers a range of features and might be considered as an alternative to SymPy in .NET.

MVVM

EBind stars139 - A concise, fast and feature-rich .NET data binding solution.

ORM

FreeSql stars3.3k - a convenient ORM in dotnet, supports MySql, SqlServer, PostgreSQL, Oracle, Sqlite, Firebird, 达梦, 人大金仓, 神舟通用, 翰高 and Access.

PDF

PdfPig - Read and create and extract text and other content from PDFs in C# (port of PdfBox)

QuestPDF - QuestPDF is an open-source, modern and battle-tested library that can help you with generating PDF documents by offering friendly, discoverable and predictable C# fluent API.

CLI

Typin stars192 - Simple to use declarative framework for interactive CLI applications and command line tools (direct mode) that has its roots in CliFx.

Misc

LINQPad.QueryPlanVisualizer stars267 - View SQL Server and Postgres query plans directly inside LINQPad.

Tools

JSON Formatter and Validator - A blazing fast JSON formatter and validator that won't share JSON with a server.

E-Commerce and Payments

Adyen stars71 - The official Adyen Payment API Library for .NET

Jun 26th, 2021

Application Frameworks

Fusion stars1.4k - .NET Core and Blazor library that attempts to dramatically improve the way we implement real-time and high-load services by introducing a novel kind of "computed observables" - immutable, thread-safe, and most importantly, almost invisible for developers. Samples 1 stars113 Samples 2 stars55

E-Commerce and Payments

GrandNode stars495 - Headless, multi-vendor, multi-tenant, the most advanced open source e-commerce platform based on .NET Core 5.0 and MongoDB.

Caching

FusionCache stars218 - An easy to use, high performance and robust cache with an optional distributed 2nd layer and some advanced features, like a fail-safe mechanism and advanced timeouts management

Mar 3rd, 2021

Misc

Validot stars244 - Validot is a performance-first, compact library for advanced model validation. Using a simple declarative fluent interface, it efficiently handles classes, structs, nested members, collections, nullables, plus any relation or combination of them. It also supports translations, custom logic extensions with tests, and DI containers.

Blazor

BootstrapBlazor stars1.1k - A set of enterprise-class UI components based on Bootstrap and Blazor.

Other Lists

Awesome Microservices .NET Core stars1.8k - A collection of awesome training series, articles, videos, books, courses, sample projects, and tools for Microservices in .NET Core.

Jan 22nd, 2021

Misc

Quickenshtein stars170 - An extremely quick and memory efficient Levenshtein Distance calculator with SIMD and Threading support

HTTP

WebApiClient stars1.7k An open source project based on the HttpClient. You only need to define the c# interface and modify the related features to invoke the client library of the remote http interface asynchronously.

Jan 15th, 2021

Serialization

CsvExport stars123 - Very simple & lightweight CSV exporter, Excel friendly, escapes text & quotes etc.

CLI

CommandDotNet stars414 - Model your console app using C# in a composable manner. Define commands with methods. Define subcommands with properties or nested classes. Extensible parsing and command execution.

CommandLineUtils stars1.9k - This is a fork of Microsoft.Extensions.CommandLineUtils, which is no longer under active development.

Compilers, Transpilers and Languages

Amplifier.NET stars126 - Write and compile your own kernel function using C# and Amplifier will take care of running it on your favorite hardware. Amplifier allows .NET developers to easily run complex applications with intensive mathematical computation on Intel CPU/GPU, NVIDIA, AMD without writing any additional C kernel code.

DirectX

Vortice.Windows stars658 - Cross platform .NET standard libraries for DirectX, WIC, Direct2D1, XInput, XAudio and X3DAudio

Game

UnrealCLR stars2.1k - Unreal Engine .NET Core integration

Logging

Rollbar.NET stars62 - Simplifies real-time remote error monitoring while using Rollbar.com. Open-source Rollbar Notifier SDK for any .NET-based technology stack. The SDK that can be used in any application built on the following .NET versions: .NET Core 2.0+, .NET Standard 2.0+, .NET Full Framework 4.5.1+, Mono, Xamarin, and, in general, any implementation of the .NET Standard 2.0+. It simplifies building data payloads based on exception data, tracing data, informational messages, and telemetry data and sends the payloads to the Rollbar API for remote monitoring and analysis of the hosting application's behavior.

ZeroLog stars199 - ZeroLog is a zero-allocation .NET logging library. It provides basic logging capabilities to be used in latency-sensitive applications, where garbage collections are undesirable.

Machine Learning and Data Science

SciSharp STACK - A rich machine learning ecosystem for .NET created by porting the most popular Python libraries to C#.

Synapses stars61 - An in-memory neural network library written in F#.

Networking

NetCoreServer stars1.5k - Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution (NETStandard).

Object to object mapping

Mapster stars2.7k - A high performance object mapper in .net

Strong Naming

.NET Assembly Strong-Name Signer stars278 - Utility software to strong-name sign .NET assemblies, including assemblies you do not have the source code for.

Testing

Compare-Net-Objects stars777 - Perform a deep compare of any two .NET objects using reflection. Shows the differences between the two objects.

Misc

Infinity Crawler stars173 - A simple but powerful web crawler library for .NET

ORM

MongoFramework stars240 - An "Entity Framework"-like interface for MongoDB

Caching

Cache Tower stars329 - An efficient multi-layered caching system for .NET (In-Memory, Redis, Database, File etc)

CLR

Runtime stars9.3k - Mono and CoreCLR .NET runtimes, as well as the standard library and some higher level components like System.Linq and System.Text.Json.

Dec 14th, 2020

Books

Blazor in Action - A guide to building UIs and client-side applications using C# and .NET. [$]

Nov 30th, 2020

GUI

Ookii.Dialogs.Wpf stars693 - Enable WPF applications to access common Windows dialogs such as task dialogs, credential dialog, progress dialog, folder browser dialog, and more

Ookii.Dialogs.WinForms stars357 - Enable Windows Forms applications to access common Windows dialogs such as task dialogs, credential dialog, progress dialog, folder browser dialog, and more

Tools

Downloader stars481 - Fast and reliable multipart downloader with asynchronous progress events for .NET applications.

Algorithms and Data structures

Towel stars546 - data structures, algorithms, mathematics, metadata, extensions, console, measurements, and other useful stuff

Minification

CompressedStaticFiles stars61 - Send compressed static files to the browser without having to compress on demand, also has support for sending more advanced image formats when the browser indicates that i has support for it.

Oct 20th, 2020

Tools

YARP stars5.5k - YARP is a reverse proxy toolkit for building fast proxy servers in .NET using the infrastructure from ASP.NET and .NET.

Caching

EasyCaching stars1.4k - A caching library that contains basic and some advanced usages of caching which can help handle caching more easier!

API

FFImageLoading - Fast & Furious Image Loading - This Library to load images quickly & easily on Xamarin.iOS, Xamarin.Android, Xamarin.Forms, Xamarin.Mac / Xamarin.Tizen and Windows (UWP, WinRT)

ORM

Venflow stars161 - A super fast and lightweight ORM for PostgreSQL.

Oct 19th, 2020

CLI

spectre.console stars5.2k - A library that makes it easier to create beautiful console applications.

Distributed Computing

Orleankka stars468 - Orleankka is a functional API for Microsoft Orleans framework. It is highly suitable for scenarios where having composable, uniform communication interface is preferable, such as: CQRS, event-sourcing, re-routing, FSM, etc. Additional API available for F# called Orleankka.FSharp.

Testing

ArchUnitNET stars269 - Simple library for checking the architecture of C# code with a fluent API.

Snapshooter stars189 - A snapshot testing tool for .NET Core and .NET Framework

Oct 2nd, 2020

GUI

Bunifu UI Framework - Carefully crafted Winforms controls and components for creating stunning modern application UI. [$]

Sep 21st, 2020

Tools

OctoLinker stars5k - Navigate through project.json, packages.config, *.props, *.targets, and C#/F#/VB.NET project files efficiently with the OctoLinker browser extension for GitHub.

Sep 18th, 2020

Reactive Programming

Dynamic Data stars1.4k - Reactive Extensions (Rx) for collections

ORM

Fluent NHibernate stars1.6k - Fluent, XML-less, compile safe, automated, convention-based mappings for NHibernate.

GUI

Empty Keys UI - Multi-platform and multi-engine XAML based user interface library [Free][Proprietary]

Visual Studio Plugins

VsVIM stars3.3k - VIM in Visual Studio

UI Automation

FlaUI stars1.3k - FlaUI is a .NET library which helps with automated UI testing of Windows applications (Win32, WinForms, WPF, Store Apps, ...).

Tools

SmartCode stars512 - SmartCode = IDataSource -> IBuildTask -> IOutput => Build Everything!!! (Including [Code generator])

Papercut stars2.3k - Papercut is an open source (.NET based) test email viewer that runs locally with a built-in SMTP server designed to receive and notify of test email messages.

Open Live Writer stars2.4k - Blog writer which integrated with WordPress, Blogger, et. al. Open Live Writer makes it easy to write, preview, and post to your blog.

Testing

Verify stars1.1k - Verification tool to enable simple approval of complex models and documents.

Serialization

ProtoBuf stars265 - Generate C# code for protocol buffer serialization from a .proto specification.

Package Management

Cloudsmith - A fully managed package management SaaS, with support for NuGet, Npm, Docker and much more. [Free for Public/OSS] [$]

Misc

Rant stars3k - The Rant Procedural Text Generation DSL

Interoperability

pinvoke stars1.7k - A library containing P/Invoke code for latest Windows OS.

Internationalization

ResX Resource Manager stars940 - The most popular free tool to localize all kind of applications with resx-based resources.

Documentation

Swashbuckle stars3k - Seamlessly adds a Swagger to Web API projects.

Build Automation

MSBuild stars4.8k - The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio

Authentication and Authorization

Logibit Hawk stars37 - A F# Hawk stars1.9k authentication library

Sep 15th, 2020

Mathematics

MKL.NET stars51 - A simple cross platform .NET API for Intel MKL.

Code Snippets

Sharplab - Run C# code using different branches and versions of Roslyn, see the IL that was produced and examine the JIT's output.

PDF

Docotic.Pdf - PDF library to create, read, edit, draw, and print PDF documents in .NET and .NET Core applications. 100% managed, without unsafe blocks. [$] [Free for OSS]

ITextSharp stars1.2k - iText is a PDF library that allows you to CREATE, ADAPT, INSPECT and MAINTAIN documents in the Portable Document Format (PDF)[$] [Free for OSS]

Graphics

RealTimeGraphX stars162 - RealTimeGraphX is a data type agnostic, high performance plotting library for WPF, UWP and soon, Xamarin Forms.

Application Frameworks

Newbe.Claptrap stars204 - This is a set of server-side development frameworks with reactive, event sourcing and Actor pattern as basic theories. On top of this, developers can develop "distributed", "scale out", and "easy to test" application more simply.

Sep 14th, 2020

Graphics

Silk.NET stars1.9k - A cross-platform, high-performance, low-level .NET Standard wrapper for many advanced APIs such as OpenGL, OpenCL, OpenAL, OpenXR, Assimp, GLFW, as well as many others. In addition to wrapping over Native APIs, it also comes with its own Windowing and Input abstraction. This makes game and application development with Silk.NET a breeze, and has pretty much everything a 3D application developer would need.

Parser Library

CSLY stars208 - A light embedded C# lexer/parser generator.

Template Engine

Scriban stars2k - A fast, powerful, safe and lightweight text templating language and engine for .NET

GUI

Lara stars118 - Lara Web Engine is a library for developing Web user interfaces in C#

UI Automation

PuppeteerSharp stars2.3k - Puppeteer Sharp is a .NET port of the official Node.JS Puppeteer API.

PuppeteerSharp.Contrib stars68 - Contributions to Puppeteer Sharp that provides a convenient way to write readable and robust browser tests.

Jun 17th, 2020

Real-time Communications

SIPSorcery stars813 - A cross platform C# .NET library supporting SIP, VoIP and WebRTC.

GIS

DEM Net Elevation API stars206 - .Net library for Digital Elevation Models, allows 3D terrain generation in glTF / STL format.

Deployment

yuniql stars301 - Free and open source schema versioning and migration tool made with .NET Core. Run migrations with plain SQL, arrange versions in ordinary folders and seed your data from CSV via stand-alone CLI (no CLR needed), Azure Pipelines, Docker or ASP.NET Core code. https://yuniql.io

Application Templates

JHipster.NET stars237 JHipster blueprint for replace orginal SpringBoot Backend by asp.net core. The main goal generator of jhipster is showcases best practices of modern web development in java. So the goal of the project is to do the same in .net. The Frontend can be generated with angular or react and soon with blazor.

May 13th, 2020

Image Processing

Imgix-CSharp - Easily update image urls to be fast and responsive. [$]

PDF

Cloudmersive PDF - Cloudmersive PDF is a native .NET Framework and .NET Core NuGet library and API service that can create, modify, encrypt or convert PDF documents at high scale and fidelity; and is free to use with no expiration [Free]

Misc

FormHelper stars206 - Form & Validation Helper for ASP.NET Core. Form Helper helps you to create ajax forms and validations without writing any javascript code. (Compatible with Fluent Validation)

Calendar

iCal.NET stars582 iCal.NET is an iCalendar (RFC 5545) class library for .NET aimed at providing RFC 5545 compliance, while providing full compatibility with popular calendaring applications and libraries.

Game

Devtodev stars7 - A full-cycle analytics solution for game developers.

Functional programming

Optuple stars21 - .NET Standard Library for giving (bool, T) Option-like semantics in a non-obtrusive way; this is, there is no new option type dependency for a library or its users.

Apr 24th, 2020

ORM

EntityFramework.Exceptions stars510 - Use typed Exceptions for Entity Framework Core when your SQL query violates database constraints in SqlServer, MySql, PostgreSQL or SQLite

Apr 21st, 2020

Testing

ReportPortal - AI-powered Test Automation Dashboard. Acquire, aggregate and analyze test reports to ascertain release health.

xUnit.net stars3.3k - A free, open source, community-focused unit testing tool for the .NET Framework.

SpecFlow stars1.9k - Binding business requirements to .Net code

Serialization

Protobuf.NET stars3.9k - Protocol buffers is the name of the binary serialization format used by Google for much of their data communications

Ceras stars429 - Ceras is a binary serializer. It converts any object into a byte[] and back. It goes above and beyond in terms of features, speed, and comfort. Supports reference loops, large/complicated inheritance chains, splitting objects into parts and more.

PDF

Pdfium.Net SDK - Advanced C# PDF library for render, create, edit, merge, split, print, and view PDFs. Open source PDF Viewer is available on GitHub. A NuGet package is also available for easy inclusion into your projects.[$]

Apr 20th, 2020

ORM

SmartSql stars855 - SmartSql = MyBatis + Cache（Memory | Redis）+ ZooKeeper + R / W Splitting + Dynamic Repository ....

MVVM

Toms Toolbox stars74 - Visual Composition framework to easily build modularized MVVM applications based on the Managed Extensibility Framework (MEF).

UpdateControls - Update Controls does not require that you implement INotifyPropertyChanged or declare a DependencyProperty. It connects controls directly to CLR properties. This makes it perfect for the Model/View/ViewModel pattern.

Misc

CSScript - CS-Script is a CLR based scripting system which uses C# as a programming language. CS-Script currently targets Microsoft implementation of CLR (.NET 2.0/3.0/3.5/4.0/4.5) with full support on Mono. Comes with many additional features, such as script hosting.

Install tools

Wix Toolset - The most powerful set of tools available to create your Windows installation experience

Game

Stride Game Engine - Stride Game Engine is a 2D/3D cross-platform game engine featuring a scene editor, particles, physically based rendering (PBR), scripting, and much more

Visual Studio Plugins

SideWaffle stars653 - A collection of Item Templates for Visual Studio 2012/2013/2015 that makes any web developer's life much easier

Web Essentials stars49 - Web Essentials extends Visual Studio with lots of new features that web developers have been missing for many years

Books

Microservices in .NET Core - A comprehensive guide to building microservice systems using the .NET stack. [$]

Functional programming

JFlepp.Maybe stars3 - A Maybe type for C#, aimed as an idiomatic port of the option type in F# to C#

Protocols

DnsClient.NET stars550 - A simple yet very powerful and high performant open source library for the .NET Framework to do DNS lookups.

Mar 4th, 2020

WebSocket

Websocket.Client stars475 - A multiplatform wrapper over native C# class ClientWebSocket with built-in reconnection and error handling.

Feb 26th, 2020

ORM

MicroLite ORM stars85 MicroLite ORM is a micro Object Relational Mapper for the .NET framework. It is designed to be easy to use, extensible and testable.

Entity Framework 6 stars1.3k - Object-relational mapper that enables .NET developers to work with relational data using domain-specific objects

Entity Framework Core stars11.4k - Object-relational mapper that enables .NET developers to work with relational data using domain-specific objects

Misc

FluentValidation stars7.3k - A small validation library for .NET that uses a fluent interface and lambda expressions for building validation rules.

Mathematics

ALGLIB - ALGLIB is a cross-platform numerical analysis and data processing library. It supports several programming languages (C++, C#, Delphi) and several operating systems (Windows and POSIX, including Linux) [Proprietary] and [Free Edition]

Logging

Logary stars507 - Logary is a high performance, multi-target logging, metric, tracing and health-check library for Mono and .NET. .NET's answer to DropWizard. Supports many targets, built for micro-services.

Feb 25th, 2020

Authentication and Authorization

ASP.NET SAML stars245 - SAML authentication support for ASP.NET apps

Feb 12th, 2020

Code Analysis and Metrics

CodeMaid - Visual studio extension to cleanup, dig through and simplify C#, C++, F#, VB, PHP, JSON, XAML, XML, ASP, HTML, CSS, LESS, SCSS, JavaScript and TypeScript coding.

Database

DBreeze stars433 - DBreeze Database is an open-source embedded Key-Value store

Feb 6th, 2020

Extensions

ExtensionMethods.Net - Site with collection of extension methods

E-Commerce and Payments

SmartStoreNET stars2.5k - Free ASP.NET MVC e-commerce Shopping Cart Solution

Documentation

SourceBrowser stars843 - Source browser website generator that powers https://referencesource.microsoft.com

Database

Event Store stars4.6k - The open-source, functional database with Complex Event Processing in JavaScript

Compilers, Transpilers and Languages

VisualFSharp stars3.2k - The Visual F# compiler and tools

IronScheme stars295 - R6RS Scheme compiler, runtime and many standard libraries

Build Automation

FlubuCore stars790 - A cross platform build and deployment automation system for building projects and executing deployment scripts using C# code.

CLI

JustCli stars24 - That’s just a quick way to create your own command line tool.

Feb 5th, 2020

Office

GemBox.Bundle - A package of .NET components that enable fast, simple and efficient processing of office files (Excel, Word, PowerPoint, PDF and emails). [$]****[Free Lite versions]

Outlook Redemption - Library to work with the Outlook Object Model and (Extended) MAPI. Supports Outlook 98 - 2019. Work with objects/mails/accounts/folders in Exchange and Outlook. [$]

Database

Db4o-gpl stars25 - Object-oriented database, embedded and remote connections supported.

StringDB stars58 - StringDB is a modular, key/value pair archival DB designed to consume tiny amounts of ram & produce tiny databases.

MVVM

Smaragd stars31 - A platform-independent, lightweight library for developing .NET applications using the MVVM architecture.

Misc

NaturalSort.Extension stars74 - Extension method for StringComparer that adds support for natural sorting (e.g. "abc1", "abc2", "abc10" instead of "abc1", "abc10", "abc2").

Hashids.net stars2.4k - Generate short unique ids from integers, as per https://hashids.org

CLI

CliFx stars1.2k - Declarative framework for building command line interfaces.

Profiler

Unchase.FluentPerformanceMeter stars33 - An open-source and cross-platform .Net Standard 2.0 library that is designed for the method’s performance measurement.

Event aggregator and messenger

FluentMediator stars166 - FluentMediator is an unobtrusive library that allows developers to build custom pipelines for Commands, Queries and Events

Resources

NuGet Trends - Check out NuGet packages adoption and what's trending on NuGet.

ORM

RepoDb stars1.4k - A hybrid ORM library for .NET.

Mathematics

GeometRi stars107 - Simple and lightweight computational geometry library for .Net

MathNet - Math.NET is an open source initiative to build and maintain toolkits covering fundamental mathematics, targeting advanced but also every day needs of .NET developers

SDK and API Clients

Dropbox.NET stars303 - Official .NET SDK for the Dropbox API

Style Guide

C# Async Guidance - list of problematic asynchronous patterns for .NET Core with an explanation of how to solve those issues

GUI

Windows UI Library stars

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Platforms

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Front-End Development

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Computer Science

Big Data

Theory

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Development Environment

Entertainment

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Media

Learn

Security

Content Management Systems

Hardware

Business

Work

Networking

Decentralized Systems

Higher Education

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Testing

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