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
Pusher Js
Pusher Javascript library
Layzr.js
A small, fast, modern, and dependency-free library for lazy loading.
jsMessage
Custom messages, alerts, confirmations
Crypto Js
JavaScript library of crypto standards.
LABjs
Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies
Venus.js
where bugs go to die
Jwerty
Awesome handling of keyboard events
ICanHaz.js
A clean solution for templating with Mustache.js and jQuery or Zepto
React Templates
Light weight templates for react
Hoodie.js
hoodie super power to the frontend!
Lazy.js
Like underscore.js, but lazier
Express
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Stimulus
A modest JavaScript framework for the HTML you already have
Spine
Lightweight MVC library for building JavaScript applications
Highland
High-level streams library for Node.js and the browser
Jsblocks
Better MV-ish Framework