Prototype : Easy Ajax and DOM manipulation for dynamic web applications
ActiveJS : ActiveJS is a JavaScript application framework that provides local and REST based data modeling and pure DOM view construction with back button and hi...
ProseMirror : In-browser structured text editing component. A toolkit for building rich-text editors on the web.
Workbox : JavaScript Libraries for adding offline support to web apps.
meSing.js : meSing.js is a JavaScript singing synthesis library that uses the Web Audio API's DSP capabilities in conjunction with the meSpeak.js speech synthesis...
A lightweight library that provides tools for organizing asynchronous code