Es6 Shim
ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines
CSS3 Pie
A behavior for Internet Explorer allowing it to recognize and render various CSS3 box decoration properties
Typecast.js
Typecast.js :: Solving the simple problems
Classing Js
Brings the world of classical OOP to javascript
Augment.js
Modern JavaScript in your IE
Placeholder Shiv
Tiny polyfill for the placeholder form element attribute. Requires Prototype.js.
Char Funk
a Unicode character utility for JavaScript
Core Lib
A port of the Ruby 1.9.3 corelib to coffeescript/javascript/node that conforms to rubyspec.org.
Dayjs
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Args.js
Create javascript functions with optional, default, grouped and named parameters.
Taggd
A tool to show and add tags to images
Respond
A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more)
Object.observe
Object.observe polyfill/shim trying to be compliant
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Css3 Finalize
Tired of adding prefix for each broswer when it comes to the new css3 attributes?
Length.js
📏 JavaScript library for length units conversion.