howler.js is an audio library for the modern web. It defaults to Web Audio API and falls back to HTML5 Audio. This makes working with audio in JavaScript easy and reliable across all platforms.
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<ul>
<li>Single API for all audio needs</li>
<li>Defaults to Web Audio API and falls back to HTML5 Audio</li>
<li>Handles edge cases and bugs across environments</li>
<li>Supports all codecs for full cross-browser support</li>
<li>Automatic caching for improved performance</li>
<li>Control sounds individually, in groups or globally</li>
<li>Playback of multiple sounds at once</li>
<li>Easy sound sprite definition and playback</li>
<li>Full control for fading, rate, seek, volume, etc.</li>
<li>Easily add 3D spatial sound or stereo panning</li>
<li>Modular - use what you want and easy to extend</li>
<li>No outside dependencies, just pure JavaScript</li>
<li>As light as 7kb gzipped</li>
</ul>

howler.js is an audio library for the modern web. It defaults to Web Audio API and falls back to HTML5 Audio. This makes working with audio in JavaScript easy and reliable across all platforms.

howler.js - Javascript audio library for the modern web

Koel (also stylized as koel, with a lowercase k) is a simple web-based personal audio streaming service written in Vue on the client side and Laravel on the server side. Targeting web developers, Koel embraces some of the more modern web technologies – flexbox, audio, and drag-and-drop API to name a few – to do its job.

koel - A personal music streaming server that works.

PandoraPlayer is a lightweight music player for iOS, based on AudioKit and completely written in Swift, constructed to be fast, light and have a nice design. It can play iPod music / bundle music,  Real-time two-channel visual equalizer,  Standard controls etc.

PandoraPlayer - Lightweight music player for iOS, based on AudioKit and completely written in Swift

 An audio effects library for the Web Audio API. 

tuna - An audio effects library for the Web Audio API

Tone.js is a Web Audio framework for creating interactive music in the browser. The architecture of Tone.js aims to be familiar to both musicians and audio programmers creating web-based audio applications. On the high-level, Tone offers common DAW (digital audio workstation) features like a global transport for synchronizing and scheduling events as well as prebuilt synths and effects. Additionally, Tone provides high-performance building blocks to create your own synthesizers, effects, and complex control signals.

Tone.js - A Web Audio framework for making interactive music in the browser

PortAudio is a free, cross-platform, open-source, audio I/O library.  It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms. It provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.

PortAudio - Cross-platform Audio I/O Library

Overtone is an open source audio environment designed to explore new musical ideas from synthesis and sampling to instrument building, live-coding and collaborative jamming. It combines the powerful SuperCollider audio engine, with Clojure, a state of-the-art lisp, to create an intoxicating interactive sonic experience. It can synchronise your visuals and noise with ease.

Overtone - Collaborative Programmable Music

 PyAudio provides Python bindings for PortAudio, the cross-platform audio I/O library. With PyAudio, you can easily use Python to play and record audio on a variety of platforms. 

PyAudio - Python bindings for PortAudio, the cross-platform audio I/O library

A cross-browser implementation of the AudioContext which aims to closely follow the standard. This package provides a subset of the Web Audio API which works in a reliable and consistent way in every supported browser. In contrast to other popular polyfills standardized-audio-context does not patch or modify anything on the global scope. In other words, it does not cause any side effects. It can therefore be used safely inside of libraries.

standardized-audio-context - A cross-browser implementation of the AudioContext which aims to closely follow the standard

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