Pedalboard.js
Open source JavaScript framework for developing audio effects for guitars using the Web Audio API.
Juxtapose
JuxtaposeJS is a JavaScript library for making before/after image sliders
Openui5
OpenUI5 lets you build enterprise-ready web applications, responsive to all devices, running on almost any browser of your choice
Backbone
Give your JS App some Backbone with Models, Views, Collections, and Events
Open Location Code
Open Location Codes are short, generated codes that can be used like street addresses, for places where street addresses don't exist.
Frame Player
A video player without video files, just JSON. Based on 'images frames' thought to mobile devices!
Vue Gallery
:camera: Responsive and customizable image and video gallery, carousel and lightbox, optimized for both mobile and desktop web browsers.
jPages
Client side pagination with jQuery and CSS3
String.js
Extra JavaScript string methods.
Jsmediatags
Media Tags Reader (ID3, MP4, FLAC)
Mocha
A simple, flexible, fun javascript test framework for node.js & the browser. (BDD, TDD, QUnit styles via interfaces)
Bootstrap.native
If you are looking for Bootstrap without jQuery or vanilla Javascript for Bootstrap, this is the place to get started.
W Paint
jQuery Paint Plugin
jVectorMap
Show interactive vector maps on the web.
Timeliner
jQuery plugin to make an interactive, historical timeline
Json2html
json2html is a free javascript HTML templating library with wrappers for both jQuery and Node.js. Using custom defined JSON transforms json2html will convert a set of JSON objects, such as an RSS feed into HTML.
Intercooler Js
Making AJAX as easy as anchor tags