Hitch
A lightweight engine that allows you to hitch new capabilities to the browser (prollyfill).
HTML5shiv
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
CSS3 Pie
A behavior for Internet Explorer allowing it to recognize and render various CSS3 box decoration properties
Stringformatter
JS string formatter that supports objects, currency, date/time, decimals, and more supports easy extension and garbage collection ... goes far beyond sprintf approach.
Moment
Parse, validate, manipulate, and display dates in javascript.
Sugar
A Javascript library for working with native objects.
Numeral
A javascript library for formatting and manipulating numbers.
Date
Date() for humans
Angled Edges
:triangular_ruler: Quickly create angled section edges using only Sass
Dayjs
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Underscore String
String manipulation extensions for Underscore.js javascript library.
ES5 Shims
ECMAScript 5 compatibility shims for legacy JavaScript engines
Datejs
Datejs is an open-source JavaScript Date Library.
Decimal.js
An arbitrary-precision Decimal type for JavaScript
Flexie
Legacy support for the CSS3 Flexible Box Model
Babel
Babel is a compiler for writing next generation JavaScript.
Console.message
Console messages for cool kids