Flotr2
Graphs and Charts for Canvas in JavaScript.
Flight
A lightweight, component-based JavaScript framework
Anypixel
AnyPixel.js is an open-source software and hardware library that makes it possible to use the web to create big, unusual, interactive displays.
Annyang
A javascript library for adding voice commands to your site, using speech recognition.
Scenejs
An extensible WebGL-based engine for high-detail 3D visualisation
Retina.js
JavaScript and LESS helpers for rendering high-resolution image variants
Stringformatter
JS string formatter that supports objects, currency, date/time, decimals, and more supports easy extension and garbage collection ... goes far beyond sprintf approach.
Rambda
Faster alternative to Ramda in just 10kB
jQuery Pjax
pushState + ajax = pjax
Rx Js
The Reactive Extensions for JavaScript
Rome
Customizable date (and time) picker. Opt-in UI, no jQuery!
Redux Elm
The Elm Architecture in JavaScript http://salsita.github.io/redux-elm/
Please Js
JavaScript Library for creating random pleasing colors and color schemes
Pickadate.js
lightweight jquery date selector with multi-language support
Photoset Grid
A simple jQuery plugin to arrange images into a flexible grid, based on Tumblr's photoset feature.
Bootswatch
Themes for Bootstrap
Backbone Marionette
Make your Backbone.js apps dance with a composite application architecture!