Min Pub Sub
198 byte publish/subscribe messaging micro-framework
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Jquerypp
jQuery's missing utils and special events
Fluxxor
Flux architecture tools for React
UI Router
The de-facto solution to flexible routing with nested views
Angular History
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.
When
A solid, fast Promises/A+ and when() implementation, plus other async goodies.
Use.js
An AMD/RequireJS plugin for consuming incompatible JavaScript files.
Node Browserify
browser-side require() the node.js way
Mousetrap
Simple library for handling keyboard shortcuts in Javascript
Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.
Stately.js
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.
Rx Js
The Reactive Extensions for JavaScript
Portal Vue
A Portal Component for Vuejs, for rendering DOM outside of a component, anywhere in the document.
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
Polished
A lightweight toolset for writing styles in JavaScript ✨