Ractive
Next-generation DOM manipulation
Backbone Marionette
Make your Backbone.js apps dance with a composite application architecture!
YUI3
YUI is a free, open source JavaScript and CSS library for building richly interactive web applications.
Batman
Fighting Crime and Kicking Apps
Lozad.js
🔥 Highly performant, light ~0.9kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
Pagerjs
The Single Page Application Framework for KnockoutJS
Mediator.js
An implementation of the mediator pattern for asynchronous events in Javascript
RequireJS
A file and module loader for JavaScript
Tangle
a JavaScript library for reactive documents
JS Signals
Custom Event/Messaging system for JavaScript inspired by AS3-Signals
Framework7
Full Featured HTML Framework For Building iOS & Android Apps
Tock
Timer Object/Class. Kickass!
Modernizr
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
Durandal
A cross-device, cross-platform client framework written in JavaScript and designed to make building Single Page Applications (SPAs) easy to create and maintain.
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
Express
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Rambda
Faster alternative to Ramda in just 10kB