Keymaster
A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies.
PreloadJS
PreloadJS makes preloading assets & getting aggregate progress events easier in JavaScript. It uses XHR2 when available, and falls back to tag-based loading when not.
When
A solid, fast Promises/A+ and when() implementation, plus other async goodies.
Platform.js
A platform detection library that works on nearly all JavaScript platforms.
Lazy.js
Like underscore.js, but lazier
Csso
CSS-optimizer
Pusher Js
Pusher Javascript library
Alertify.js
JavaScript Alert/Notification System
Sticky Kit
A jQuery plugin for creating smart sticky elements
Highland
High-level streams library for Node.js and the browser
Fluxible
A pluggable container for isomorphic flux applications
Redux Loop
A port of elm-effects and the Elm Architecture to Redux that allows you to sequence your effects naturally and purely by returning them from your reducers.
Fast Memoize.js
:rabbit: Fastest possible memoization library
Stampit
Create objects from reusable, composable behaviors.
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Steal
Gets JavaScript
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.