Montage
Core framework: Montage simplifies the development of rich HTML5 applications by providing modular components, real-time two-way data binding, CommonJS dependency management, and many more conveniences. Join us on irc.freenode.net#montage or https://groups.google.com/d/forum/montagejs
Dozerjs
Foundational Framework for NodeJS Web Services
Imagesloaded
JavaScript is all like "You images done yet or what?"
Queue
Yet another asynchronous helper library for JavaScript. 387 bytes minified and gzipped!
Inkline
Inkline is the customizable Vue.js UI/UX Library designed for creating flawless responsive websites.
Google Closure Library
git-svn mirror of Google's Closure Library.
Flow Js
Javascript Library for Multi-step Asynchronous Logic
Queen
A platform for running scripts on many browsers
Blizzard.js
A promise-based Node.JS library for the Blizzard Battle.net Community Platform API
Webix
Stable releases of Webix UI - JavaScript library for building mobile and desktop web apps
Stately.js
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.
Path.js
Simple, lightweight routing for web browsers
Oc Lazy Load
Load modules on demand (lazy load) in AngularJS
Next.js
Next.js is a lightweight framework for static and server‑rendered applications.
Hasher
Browser history manager for rich media websites
Carrot
🥕 Multi-threaded Self-Assembling Neural Networks in Node.js & Browser
Backbone Associations
Create object hierarchies with Backbone models; Respond to hierarchy changes using regular Backbone events.