Pixel Craft
A Pixel Art Editor
Pegasus
Load data while still loading other scripts and display data faster in jQuery, Backbone, Angular, ... apps
Cram
Simple AMD and CommonJS module bundler.
Bootstrap Ajax
A library for adding declarative ajax functionality to your website
Backbone Deep Model
Improved support for models with nested attributes.
Sentry
Sentry is a realtime error logging and aggregation platform
Platform.js
A platform detection library that works on nearly all JavaScript platforms.
Mobx
Simple, scalable state management.
ifvisible.js
Checks if the current page is visible or not
Px Loader
PxLoader is a simple JavasScript library for creating preloaders and resource downloaders for HTML5 apps.
Routie
a tiny javascript hash router
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
Next.js
Next.js is a lightweight framework for static and server‑rendered applications.
Canjs
Can do JS, better, faster, easier.
Theory
Abstraction layer for cross platform JavaScript.
Tweet
put twitter on your website with tweet, an unobtrusive javascript plugin for jquery
Conditioner
Frizz Free, Environment-aware, JavaScript Modules