ImageOptim - Faster web pages and apps.
Topstyle - TopStyle contains powerful tools for building standards-compliant web sites.
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
EnjoyCSS - CSS generator for rich graphical styles without coding
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Rapid CSS Editor - Rapid CSS editor is quick, powerful and easy to use HTML and CSS code editor for web developers. Intuitive interface and intelligent features help you become more productive and create modern HTML5 and CSS3 based websites faster and easier.