Veinjs
Injects CSS into the document (it's a perfectly legal procedure)
Tire
Tire is a lightweight JavaScript library for modern browsers
Moovie.js
Movie focused HTML5 Player
jQuery.lazy
A lightweight, fast, feature-rich, powerful and highly configurable delayed content, image and background lazy loading plugin for jQuery & Zepto.
Resize Observer
Polyfills the ResizeObserver API.
Double
jQuery plugin for hiring doubles
HtmlJs
HTML render engine and data binding (MVVM)
Porthole
A proxy to safely communicate to cross-domain iframes in javascript
Tapestry5 jQuery
Tapestry 5 jQuery integration. Fully replace Prototype and Scriptaculous with jQuery with as less as possible compatibility issues
Node List.js
NodeList implementation/library - Use the Native DOM APIs as easily as jQuery
Defer.js
🥇 A super small, super efficient library that helps you lazy load almost everything like images, video, audio, iframes as well as stylesheets, and JavaScript.
Mag.js
MagJS - Modular Application Glue
Handorgel
Accessible W3C conform accordion written in ES6.
Hapi
The Simple, Secure Framework Developers Trust
Do Mtastic
Small & fast DOM and event library for modern browsers.
Atom
Atom javascript framewok
Ac Colors
ac-colors is a reactive JavaScript color library that can freely convert between RGB, HSL, HEX, XYZ, LAB, LCHab, LUV, and LCHuv, as well as handle random color generation and contrast ratio calculation.