Easel JS
The Easel Javascript library provides a full, hierarchical display list, a core interaction model, and helper classes to make working with the HTML5 Canvas element much easier.
Yarn
Fast, reliable, and secure dependency management.
Rangeslider.js
HTML5 input range slider element polyfill. —
Nprogress
For slim progress bars like on YouTube, Medium, etc
Lettering.js
A lightweight, easy to use Javascript <span> injector for radical Web Typography
FullCalendar
Full-sized drag & drop event calendar (jQuery plugin)
Bxslider 4
Responsive jQuery content slider
Junior
A front-end framework for building html5 mobile apps with a native look and feel.
Gator
Event delegation in Javascript
jQuery Evergreen
Small & fast DOM and event library for modern browsers.
Vis
Dynamic, browser-based visualization library
Uranium
Universal css-in-js media queries for React Native and React
Sly
JavaScript library for one-directional scrolling with item based navigation support.
Rellax
Lightweight, vanilla javascript parallax library
Reasondb
A 100% JavaScript object database: SQL like syntax, full-text search, auto object sync, swapable persistence engines, asynchronous cursors, streaming analytics, 18 built-in plus in-line fat arrow predicates, predicate extensibility, indexed computed values, joins, nested matching, statistical sampling and more.
Pdfmake
Client/server side PDF printing in pure JavaScript
Ladda
Buttons with built-in loading indicators.