Alertify.js
JavaScript Alert/Notification System
Mousetrap
Simple library for handling keyboard shortcuts in Javascript
Ejs
Embedded JavaScript templates for node
Layr
Dramatically simplify full‑stack development
Pusher Js
Pusher Javascript library
Libretaxi
LibreTaxi, free and open source Uber/Lyft alternative to connect passengers and drivers.
Oraclejet
Oracle JET is a modular JavaScript Extension Toolkit for developers working on client-side applications.
Ect
Fastest JavaScript template engine with embedded CoffeeScript syntax
Backbone.stickit
Backbone data binding, model binding plugin. The real logic-less templates.
Grips
Simple-logic templates
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
Script.js
Asyncronous JavaScript loader and dependency manager
Cloudinary Js
Cloudinary JavaScript library
Vue
Intuitive, fast & composable MVVM for building interactive interfaces.
Crypto Js
JavaScript library of crypto standards.
Keymaster
A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies.
Venus.js
where bugs go to die