Twig.js
JS implementation of the Twig Templating Language
Cycle Core
A fully reactive JavaScript framework for Human-Computer Interaction
jQuery Pjax
pushState + ajax = pjax
Backbone Associations
Create object hierarchies with Backbone models; Respond to hierarchy changes using regular Backbone events.
Radio
Dependency-free Chainable Publish/Subscribe Library for Javascript
Imagesloaded
JavaScript is all like "You images done yet or what?"
Webshim
Webshims Lib is a modular capability-based polyfill-loading library
Stampit
Create objects from reusable, composable behaviors.
RequireJS
A file and module loader for JavaScript
Modernizr
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
Flakes
Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.
Ethvtx
🌀Ethereum-Ready & Framework-Agnostic Redux Store Configuration
Node Browserify
browser-side require() the node.js way
Almond
A minimal AMD API implementation for use after optimized builds
Frontless
Build universal JS applications with Riot.JS
Angular.js
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly
Backbone Marionette
Make your Backbone.js apps dance with a composite application architecture!