Phoenix is a modern open-source Code Editor for the web
Vampirio Code, a great Code Editor and Compiler
Apache NetBeans
RAD Tool and IDE for PHP, JSP, ASP, C++ and Java Swing
Web IDE in single HTML file
A modern, lightweight yet powerful text editor
The professional, open source development tool for the open web
Light-weight Scintilla-based text editor with syntax highlighting
A powerful HTML, C#, PHP editor for windows
View Builder is software that allows you to quickly create webpages
Cloud-based Integrated Development Enviroment
This is the Goliath Adaptive WEB Application Engine Documentation