Big.js
A small, fast JavaScript library for arbitrary-precision decimal arithmetic.
Datejs
Datejs is an open-source JavaScript Date Library.
Length.js
📏 JavaScript library for length units conversion.
Taggd
A tool to show and add tags to images
Dayjs
⏰ Day.js 2KB immutable date library alternative to Moment.js with the same modern API
Date
Date() for humans
Underscore String
String manipulation extensions for Underscore.js javascript library.
Sprintf.js
sprintf.js is a complete open source JavaScript sprintf implementation.
Numeral
A javascript library for formatting and manipulating numbers.
Moment
Parse, validate, manipulate, and display dates in javascript.
Klass
a utility for creating expressive classes in JavaScript
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**).
Angled Edges
:triangular_ruler: Quickly create angled section edges using only Sass
Console.message
Console messages for cool kids
Xregexp
Extended JavaScript regular expressions
String.js
Extra JavaScript string methods.