Minified.js
Replace jQuery or MooTools with a <4kB Library
Voyeur.js
Voyeur is a tiny (1.2kb) Javascript library that lets you traverse and manipulate the DOM the way it should have been.
Bind.js
bind.js - simple two way data binding to HTML and callbacks
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.
Json2html
json2html is a free javascript HTML templating library with wrappers for both jQuery and Node.js. Using custom defined JSON transforms json2html will convert a set of JSON objects, such as an RSS feed into HTML.
Node List.js
NodeList implementation/library - Use the Native DOM APIs as easily as jQuery
Veinjs
Injects CSS into the document (it's a perfectly legal procedure)
Vue2 Perfect Scrollbar
Vue.js wrapper for perfect scrollbar
HtmlJs
HTML render engine and data binding (MVVM)
Zam
⚡️ A component based library that encourages single-page applications.
Handorgel
Accessible W3C conform accordion written in ES6.
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.
State
Hierarchical finite state machine for TypeScript and JavaScript
Mag.js
MagJS - Modular Application Glue
Viewport
Gets the dimensions of the Viewport and beyond.
Tapestry5 jQuery
Tapestry 5 jQuery integration. Fully replace Prototype and Scriptaculous with jQuery with as less as possible compatibility issues
Gliojs
Exit popup easely. Detects if the mouse of a user leaves the viewport borders of your website