jEdit is a programmer's text editor written in Java.
XML text markup for ancient documents
An editor for structured documents
A syntax highlighting, code folding text component written in Swing
HTML/CSS/JS and Markdown Playground For Web Designers and Developers
Organize your thoughts with ThoughtStack!
Graphical User Interface for PanDoc for Linux, Mac & Windows
VTL (Velocity Template Language) edit support for the NetBeans IDE.
Advanced multiplatform text editor for developers
XML Mill is a GUI based XML editor with a memory.