Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
The Web framework for perfectionists with deadlines
A PHP Framework For Web Artisans
A Fully Baked PHP Framework
The Rapid Development Framework for PHP
a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Yii is a high-performance component-based PHP framework best for Web 2.0 development.
Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.
Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
An Open Source, full stack, web application framework for the JVM