Bluebird
Bluebird is a full featured promise library with unmatched performance.
Bonzo
library agnostic, extensible DOM utility
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Cyclejs
A functional and reactive JavaScript framework for predictable code
Backbone Marionette
Make your Backbone.js apps dance with a composite application architecture!
jQuery Textcomplete
Introduce autocompleting power to textareas, like GitHub comment forms have.
When
A solid, fast Promises/A+ and when() implementation, plus other async goodies.
Q
A tool for making and composing asynchronous promises in JavaScript
Particles.js
A lightweight JavaScript library for creating particles
Webshim
Webshims Lib is a modular capability-based polyfill-loading library
Date
Date() for humans
jQuery Autocomplete
Ajax Autocomplete for jQuery allows you to easily create autocomplete/autosuggest boxes for text input fields.
Up Up
:airplane: Kickstarting the Offline-First Revolution
Socialite
Socialite provides a very easy way to implement and activate a plethora of social sharing buttons.
Raphael
JavaScript Vector Library
Processing.js
A port of the Processing visualization language to JavaScript.
Ervy
Bring charts to terminal.