Fast.js
Faster user-land reimplementations for several common builtin native JavaScript functions.
Theory
Abstraction layer for cross platform JavaScript.
Js Cache
jsCache is a javascript library that enables caching of javascripts, css-stylesheets and images using my localStorage polyfill. This is especially useful when serving your website for mobile phones, which have limited HTTP caching available, but also speeds up your site in an ordinary web browser as it saves HTTP requests and loads all files asynchronously.
Davis.js
RESTful degradable JavaScript routing using pushState
Is.js
Micro check library
Eve.js
A <3kb JavaScript file providing three simple methods to organize code into CSS namespaces which magically restrict code to the current context, allowing for dramatic reductions to code size and development time.
Stately.js
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
Mousetrap
Simple library for handling keyboard shortcuts in Javascript
Autolink Js
Tiny little tool to find URLs in a string of text and hyperlink them
ifvisible.js
Checks if the current page is visible or not
Bacon.js
FRP (functional reactive programming) library for Javascript
Radio
Dependency-free Chainable Publish/Subscribe Library for Javascript
Then.js
The fastest, smallest, fully compatible, full-featured asynchronous module!
Pilot
Pilot — multifunction JavaScript router.
P
Peer-to-peer networking with browsers
Jsface
Small, fast, elegant, powerful, and cross platform JavaScript OOP library. Support main(), singleton, super call, private, mixins, plugins, AOP and more.