Core business process engine of Alibaba Halo platform
Java Preferences Editor
Launch an external diff tool like WinMerge in Eclipse
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
Marathon supports testing of Java/Swing and Java/Fx applications.
Vector drawing program for LaTeX using PSTricks
Free and open-source style and grammar editor
A lightweight programming environment for Java
vi vim plugin for netbeans
Map Generation Application and API
A free cross-platform editor for the DRAKON visual language.
UML diagram editor
A Processing/Java library for high performance GPU-Computing (GLSL)
Compile and run Java programs without using command mode!