jEdit is a programmer's text editor written in Java.
Binary / hex editor and component written in Java
Editor for Fixed Width, Csv and Existing Xml files.
A small programmer's editor.
The allRound pocket sized CodeEditor.
wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
MadEdit-Mod is a cross platform Text/Hex editor based on MadEdit
A note taking program with WebDAV sync
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Java based XSLT Processor extension for syntax highlighting
PDF Library for Developers
A PlantUML editor written in Qt4
A Java class library of general usability
Powerfull pre-processor
Emacs minor mode that provides enhanced tags lookup for Java code.
VTL (Velocity Template Language) edit support for the NetBeans IDE.
Aspose for Spring.Java provides Aspose API samples for Spring.Java.