ImageOptim - Faster web pages and apps.
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
Django - The Web framework for perfectionists with deadlines
Laravel - A PHP Framework For Web Artisans
ASP.NET - ASP.NET is a free web framework for building great Web sites and Web applications using HTML, CSS and JavaScript.