Stringformatter
JS string formatter that supports objects, currency, date/time, decimals, and more supports easy extension and garbage collection ... goes far beyond sprintf approach.
Hitch
A lightweight engine that allows you to hitch new capabilities to the browser (prollyfill).
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Date
Date() for humans
Moment
Parse, validate, manipulate, and display dates in javascript.
ES5 Shims
ECMAScript 5 compatibility shims for legacy JavaScript engines
Store
A better way to use localStorage and sessionStorage
HTML5shiv
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Dayjs
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Sugar
A Javascript library for working with native objects.
Angled Edges
:triangular_ruler: Quickly create angled section edges using only Sass
Datejs
Datejs is an open-source JavaScript Date Library.
Flexie
Legacy support for the CSS3 Flexible Box Model
Decimal.js
An arbitrary-precision Decimal type for JavaScript
Underscore String
String manipulation extensions for Underscore.js javascript library.
Console.message
Console messages for cool kids