A browser based code editor
Apache NetBeans
Editor for Fixed Width, Csv and Existing Xml files.
Binary / hex editor and component written in Java
jEdit is a programmer's text editor written in Java.
Side-by-side diff viewer, editor and merge preparer
GUI designer for wxWidgets
Another drawing editor for LaTeX with PSTricks & TikZ
A shell script to convert any file or command output into a html table
lightweight portable vi compatible editor
A powerful editor and graphical debugger for code written in Scilab
An Easy to Edit HTML, CSS & JAVASCRIPT QUIZ - For Students & Teachers
Web IDE in single HTML file
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Vector drawing program for LaTeX using PSTricks
Advanced programmer's code editor written in Tcl/Tk
Configurable Editor in Python
HTML/CSS/JS and Markdown Playground For Web Designers and Developers
Lightweight, quick reference tool for Java developers.
A PlantUML editor written in Qt4
Develop AMX NetLinx projects in the Sublime Text editor.
Develop Crestron Simpl+ modules in Sublime Text.