Babel
Babel is a compiler for writing next generation JavaScript.
Inversify Js
A powerful and lightweight inversion of control container for JavaScript & Node.js apps powered by TypeScript.
Xregexp
Extended JavaScript regular expressions
String.js
Extra JavaScript string methods.
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.
Datejs
Datejs is an open-source JavaScript Date Library.
Decimal.js
An arbitrary-precision Decimal type for JavaScript
Tiny Color
Fast, small color manipulation and conversion for JavaScript
Ratio.js
Rational numbers for Javascript
Nerdamer
a symbolic math expression evaluator for javascript
Store
A better way to use localStorage and sessionStorage
Bignumber.js
A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic
Typecast.js
Typecast.js :: Solving the simple problems
Flexie
Legacy support for the CSS3 Flexible Box Model
HTML5shiv
This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer.
Sugar
A Javascript library for working with native objects.