Hamsters.js
100% Vanilla Javascript Multithreading & Parallel Execution Library
Mjml
MJML: the only framework that makes responsive-email easy
Derby
MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers
Backbone Deep Model
Improved support for models with nested attributes.
Nuclear Js
Reactive Flux built with ImmutableJS data structures. Framework agnostic.
Lazyload
Tiny, dependency-free async JavaScript and CSS loader.
Gas
Google Analytics on Steroids. A Google Analytics implementation with more power features.
PubNub
PubNub makes Real-time Real Easy with a Simple Communications API. Two Functions: Send/Receive (Publish/Subscribe). We provide a web-service API for businesses to build scalable Data Push communication apps on Mobile, Tablet and Web. Bidirectional JSON.
Tangle
a JavaScript library for reactive documents
Pixel Craft
A Pixel Art Editor
Blizzard.js
A promise-based Node.JS library for the Blizzard Battle.net Community Platform API
Modules Webmake
Bundle CommonJS/Node.js modules for web browser
Across Tabs
Easy communication between cross-origin browser tabs
Underscore
JavaScript's utility _ belt
Platform.js
A platform detection library that works on nearly all JavaScript platforms.
Mobservable
Observable data. Reactive functions. Simple code.
Knockout Projections
Knockout.js observable arrays get smarter