Laravel - A PHP Framework For Web Artisans
ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
CodeIgniter - A Fully Baked PHP Framework
Backbone.js - Give your JS App some Backbone with Models, Views, Collections, and Events
Phalcon - Web framework delivered as a C-extension for PHP
FeathersJS - Wow your users. Build incredible real-time applications in record time.