Packages / Apps

• PracticeLoop - Free YouTube looper with progressive speed training, metronome, and chromatic tuner for music practice.

Packages / Utilities

• Web Audio Studio - A real-time visualizer for Web Audio API graphs generated from code.

Packages / Apps

• online decibel meter – Free online sound meter to measure environmental noise levels in decibels (dB). Real-time sound level meter for detecting quiet, noisy, or harmful sound levels.

Packages / Libraries

• tuning-fork (⭐2) - A configurable client-side JavaScript library for guitar tuning with real-time pitch detection.

Packages / Apps

• .synflow Github (⭐4) - a browser based modular synth flow engine. With all Web Audio API nodes and more with Worklets (like Vocoder, Reverb, etc. ). With sophisticated Flow automation.

Packages / Apps

• All-in-One Advanced BPM Tool – Instantly measure song speed by tapping or using the spacebar. Features MIDI input, optional sound clicks, and real-time BPM visualization. Essential for producers, DJs, rhythm gamers.

Packages / Apps

• Drumhaus – a browser-based drum machine with step sequencing, pattern variations, and groove editing.

Packages / Apps

• SingMeter – A collection of browser-based singing tools including a pitch detector and vocal range test.

Packages / Frameworks

• React Native Audio API (⭐742) - Web Audio API implementation for native apps based on react-native.

Packages / Libraries

• dsssp (⭐46) - React component library for visualizing and managing audio filters with drag-n-drop and transitions support.

Packages / Apps

• dsssp-demo (⭐7) - WebAudio music player with 7-bands EQ and filter presets.

Resources / Tutorials

• audio-katas (⭐63) - A collection of self-guided katas during which you will build a DAW of your own while getting exposed to the key Web Audio APIs.

Packages / Apps

• Binary Synth (⭐124) - A web-synthesizer that generates sound from the binary code of any files.

Packages / Libraries

• waveform-path (⭐129) - Library to generate waveforms paths in svg.

• wave-audio-path-player (⭐65) - Simple audio player webcomponent customizable with waveform.

Packages / Libraries

• MusicXML Player (⭐80) - A TypeScript component that loads and plays MusicXML files in the browser using Web Audio and Web MIDI.

Packages / Apps

• Online Sequencer - A simple and easy-to-use sequencer with plenty of functionality, based around the Web Audio API.

Packages / Libraries

• html-midi-player (⭐867) - HTML elements for easy MIDI playback and visualization, without the need to write any custom JS code, but scriptable and stylable as needed.

Packages / Apps

• Topos - A Web based live coding environment inspired by the Monome Teletype. Uses Web Audio and MIDI.

Packages / Apps

• Audio-motion interface (⭐52) - A web synthesizer that generates sound using smartphone gestures in the space.

Packages / Apps

• web-audio-mixer (⭐109) - An audio mixer built using Web Audio.

Resources / Community

• Web Audio Conference - International conference dedicated to web audio technologies and applications.

Packages / Apps

• webaudio-tinysynth (⭐264) - a small synthesizer written in JavaScript with GM like timbre map.

• web-audio-beat-detector (⭐0) - a beat detection utility which is using the Web Audio API

Packages / Frameworks

• Elementary – Declarative, functional framework for writing audio software on the web or for native apps

Packages / MIDI

• WEBMIDI.js - The Web MIDI API made easy.

Packages / Apps

• EarSketch - free educational programming environment to teach Python and Javascript through music composing and remixing

Resources / Tutorials

• Browser Noise: Web Audio Tutorials - Playlist of video tutorials by Dan Tramte, hosted on the Audio Programmer YouTube channel.

Packages / Libraries

• soundfont-player - A soundfont loader/player to play MIDI sounds using WebAudio API.

Packages / Apps

• Web Audio Metronome (⭐617) - metronome app that uses the Web Audio scheduler and setTimeout scheduler

Packages / Libraries

• @magenta/music (⭐2.1k) - A JavaScript library to use machine learning models and generate music in the browser, by having some neat abstractions over the Webaudio API.

Packages / Libraries

• XSound.js - Full stack library.

• p5.sound - An extension that adds Web Audio functionality to the creative coding library p5.js.

Packages / Apps

• X Sound - Multi Sound Application that uses XSound.js.

Resources / Books

• JavaScript for Sound Artists - A bottom up JavaScript / DOM course using Web Audio for all the examples.

Packages / Frameworks

• Omnitone (⭐908) - Ambisonic spatial audio on the web.

• Mach1Spatial (⭐65) - Vector based panning spatial audio on the web.

Packages / Apps

• jamhub (⭐37) - low-latency remote music collaboration & jam.

Packages / Apps

• AudioMass - free, open source, web-based Audio and Waveform Editor.

• Csound IDE - web IDE for CSound programming language.

Obsolete / Community

• Web Audio Modules - synthesizers and audio effects processors for web browsers (both API and implementations).

Packages / Frameworks

• Bap (⭐118) - A toolkit for making beats and composing sequences, inspired by the classic MPC60/2000.

Packages / Libraries

• Sound.js (⭐318) - A micro-library to load, play and generate sound effects and music for games and interactive applications.

• Circular Audio Wave (⭐281) - A JS library for audio visualization in circular wave using Web Audio API and ECharts.

• Wad (⭐2k) - Web Audio DAW. Use the Web Audio API for dynamic sound synthesis. It's like jQuery for your ears.

Resources / Tutorials

• WebAudio School (⭐416) - A series of self-guided workshops to learn WebAudio.

Obsolete / Community

• Gibberish (⭐398) - A JavaScript DSP library that creates JIT optimized audio callbacks using code generation techniques.

• lissajous (⭐406) - A tool for programmatic audio performance.

• SSSynthesiser.js (⭐50) - A wavetable synthesizer for interactive music and sound effects.

• WAAX (⭐300) - Build Music Apps for browsers.

• Band.js (⭐1.2k) An interface for the Web Audio API that supports rhythms, multiple instruments, repeating sections, and complex time signatures.

• reverbGen (⭐57) - A JavaScript library for generating artificial reverb impulse responses.

• TuneJS (⭐180) - A tuning library of microtonal and just intonation scales. Supports over 3,000 historical tunings.

• Beet.js (⭐116) - A sequencer library for creating euclidean rhythms and polyrhythms.

• AudioKeys (⭐243) - A QWERTY keyboard for web audio projects.

• web-audio-test-api (⭐68) - A Web Audio test library for CI.

• javascript-karplus-strong (⭐303) - JavaScript/Web Audio implementation of Karplus-Strong guitar synthesis.

• osc-msg (⭐17) - OSC message decoder/encoder with fault tolerance.

• Pizzicato (⭐1.7k) - A library that aims to simplify the creation and manipulation sounds in the browser.

• Mooog (⭐29) - Tools that simplify working with AudioNodes, inspired by jQuery and mixing tables.

• envelope-generator (⭐34) - Simple ADSR envelope generator for web audio.

• audio contour (⭐20) - A 5 stage audio envelope generator.

• web-audio-recorder-js (⭐791) - A library that records audio input (Web Audio API AudioNode object) and encodes to audio file image (Blob object).

• audiolet (⭐896) - A JavaScript library for real-time audio synthesis and composition from within the browser.

• playnote (⭐2) - Play your favorite instrument in the browser, with complex note intervals and scales.

• Recorderjs (⭐4.2k) - A plugin for recording/exporting the output of Web Audio API nodes.

• resampler (⭐39) - A utility for resampling audio.

• bpm-detective (⭐144) – Detects the BPM of a song or audio sample.

• web-audio-utils (⭐10) - Commonly needed utility functions for Web Audio API.

• web-audio-oscillators (⭐69) - A collection of Web Audio custom oscillators.

• midi-ports (⭐15) - handy library to make it easier to work with attached MIDI devices.

• Midi Logger - This Midi Logger will print all midi input to your browser for debugging.

• Code Player (⭐21) - An experimental app that makes your codes sing for you.

Packages / Utilities

• web-audio-generator (⭐61) - A UI for generating Web Audio code.

Packages / Apps

• BassoonTracker (⭐1.1k) - MOD/XM Tracker in Javascript.

Resources / Newsletters

• Web Audio Weekly Newsletter - A weekly review of what's happening in Web Audio.

Packages / Apps

• DSP.audio Worklet Editor - Online Audio Worklet editor for sketching and collaboration, with sampler, MIDI and analyzers. Like a JSFiddle, but for DSP.

Resources / Books

• Web Audio API - Intended to be a springboard for web developers with little to no digital audio expertise. Geared towards game audio and interactive apps.

Packages / Libraries

• Howler.js (⭐25k) - A comprehensive library with a fallback to HTML5 Audio.

Resources / Tutorials

• Web Audio API Understandable Reference - A reference that aims to be easy to understand for those who know some JavaScript and basic audio principles.

Packages / Apps

• SoundCycle (⭐41) - A Web Audio based Loopstation for musicians with effects and different looping modes.

Packages / Apps

• waveform-playlist (⭐1.6k) - Multitrack Web Audio editor and player with canvas waveform preview. Set cues, fades and shift multiple tracks in time. Record audio tracks or provide audio annotations. Export your mix to AudioBuffer or WAV! Project inspired by Audacity.

Packages / Apps

• AudioNodes - Modular audio production suite with multi-track audio mixing, audio effects, parameter automation, MIDI editing, synthesis, cloud production, and more.

Packages / MIDI

• JZZ (⭐582) - MIDI library for Node.js and all major browsers.

• JZZ-midi-Gear (⭐20) - Retrieve your MIDI device model and manufacturer.

Packages / Libraries

• Rythm.js - A javascript library that makes your page dance.

Packages / Apps

• mod-synth.io (⭐57) - Create your own modular synthesizer, or emulate different synths.

• Super Oscillator (⭐45) - An interactive, 3D music synthesizer for the Web.

Resources / Tutorials

• Web Audio Perf - Performance of various AudioNodes and strategies for efficient resource usage (from WAC2016).

Packages / Libraries

• Meyda (⭐1.6k) - Audio feature extraction library including a variety of widely used audio features.

Packages / Apps

• Learning Music - Learn the basics of music making.

Packages / Utilities

• Audion (⭐390) - Chrome extension that adds a Web Audio panel to Developer Tools.

Packages / Apps

• GridSound - A work-in-progress DAW (Digital Audio Workstation).

Resources / Tutorials

• The Web Audio API: What Is It? - Intro to WebAudio.

Packages / Libraries

• Tuna (⭐1.8k) - An audio effects library.

Packages / Libraries

• Audiojs (⭐244) - An object that enables you to store, read, and write PCM audio data more easily.

Resources / Tutorials

• Percussion Synthesis Using Web Audio (⭐37) - This tutorial will introduce the basics of web audio programming by writing code to synthesize simple percussion sounds (from WAC2016).

Packages / Libraries

• Wavesurfer.js (⭐10k) - Interactive navigable audio visualization using Web Audio and Canvas.

Resources / Community

• Slack - A Slack for discussing Web Audio.

Packages / Apps

• Molgav (⭐2) - Musical Step Sequencer for melodies exchange.

Packages / Libraries

• virtual-audio-graph (⭐365) - Library for declaratively manipulating the Web Audio API.

Packages / Libraries

• smoothfade (⭐39) - A library for smoothly fading between two AudioNodes.

Resources / Tutorials

• Web Audio Basics (⭐120) - A growing set of light code samples with CodePen links for each.

Packages / Frameworks

• Tone.js (⭐15k) - A framework for making interactive music in the browser.

Packages / MIDI

• midimessage (⭐35) - A simple MIDI Message parser.

Packages / Apps

• LoopDrop App (⭐829) - MIDI looper, modular synth and sampler app built using Web Audio and Web MIDI APIs.