A clean, Markdown-based publishing platform made for writers
XML text markup for ancient documents
Static site IDE is a Static Site Generators aka Static Site Editor
Simple Web-based environment for PHP scripting in programming class
Small, powerful, full featured WYSIWYG editor
Gnomish Review Orb Of Magic a.k.a Code Review Assist for Shrewd Humans
WYSIWYG html editor for .NET (C#, VB.NET)
Dev-C++ with wxWidgets designer
ogeditor is Web-based simple CMS with powerful WYSIWYG/Script editor
Tight integration of Eclipse and file manager & shell