T.js
A tiny javascript templating framework in ~400 bytes gzipped
Sketchpad
A simple sketchpad library
Selectivizr
Selectivizr is a JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.
Rekapi
A keyframe animation library for JavaScript.
Jets.js
Native CSS search engine
Izi Toast
Elegant, responsive, flexible and lightweight notification plugin with no dependencies.
Html
A simple, extensible way to work directly with the DOM.
Fancy Select
A better select for discerning web developers everywhere.
Background Check
Automatically switch to a darker or a lighter version of an element depending on the brightness of images behind it.
Ramda
:ram: Practical functional Javascript
Inversify Js
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.
Xdate
A Modern JavaScript Date Library
Salvattore
A jQuery Masonry alternative with CSS-driven configuration.
Phina.js
phina.js is game library
Paperclip.js
reactive DOM template engine built for speed, and extensibility
Line Chart
Awesome charts for AngularJS.