Underscore String
String manipulation extensions for Underscore.js javascript library.
Timezone Js
Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data.
Sprintf.js
sprintf.js is a complete open source JavaScript sprintf implementation.
Date
Date() for humans
Ratio.js
Rational numbers for Javascript
Extract Values
A simple helper to extract values from a string based on a pattern.
Mathjs
An extensive math library for JavaScript and Node.js
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Core Lib
A port of the Ruby 1.9.3 corelib to coffeescript/javascript/node that conforms to rubyspec.org.
Xdate
A Modern JavaScript Date Library
String.js
Extra JavaScript string methods.
Typecast.js
Typecast.js :: Solving the simple problems
Moment
Parse, validate, manipulate, and display dates in javascript.
Numeral
A javascript library for formatting and manipulating numbers.
Xregexp
Extended JavaScript regular expressions
Datejs
Datejs is an open-source JavaScript Date Library.