Tiny Color
Fast, small color manipulation and conversion for JavaScript
Big.js
A small, fast JavaScript library for arbitrary-precision decimal arithmetic.
Poly
Small, fast, awesome. The only ES5-ish set of polyfills (shims) you can mix-and-match because they're individual AMD modules.
Decimal.js
An arbitrary-precision Decimal type for JavaScript
Extract Values
A simple helper to extract values from a string based on a pattern.
Es6 Shim
ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines
Sprintf.js
sprintf.js is a complete open source JavaScript sprintf implementation.
Auto Numeric
autoNumeric is a jQuery plugin that automatically formats currency (money) and numbers as you type on form inputs. It supports most International numeric formats and currency signs including those used in Europe, North and South America, Asia and India (lakhs**).
jQuery Number
Easily format numbers for display use. Replace numbers inline in a document, or return a formatted number for other uses.
Core Lib
A port of the Ruby 1.9.3 corelib to coffeescript/javascript/node that conforms to rubyspec.org.
Respond
A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more)
Hitch
A lightweight engine that allows you to hitch new capabilities to the browser (prollyfill).
Placeholder Shiv
Tiny polyfill for the placeholder form element attribute. Requires Prototype.js.
CSS Parent Selector
CSS4 parent selector based on jQuery
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
String.js
Extra JavaScript string methods.
Augment.js
Modern JavaScript in your IE