Persist State
jQuery Ui widget that will transparently save the state of checkboxes, inputs, selects, etc in localStorage, restoring these on the user's next visit to the page.
Veinjs
Injects CSS into the document (it's a perfectly legal procedure)
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
Porthole
A proxy to safely communicate to cross-domain iframes in javascript
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.
Hapi
The Simple, Secure Framework Developers Trust
Do Mtastic
Small & fast DOM and event library for modern browsers.
Fragment.js
A tiny tool for easily loading html fragments and templates
Html
A simple, extensible way to work directly with the DOM.
React Virtualized
React components for efficiently rendering large lists and tabular data
Bind.js
bind.js - simple two way data binding to HTML and callbacks
Nested
Gap free multi column grid
Enquire.js
Awesome Media Queries in JavaScript