Lightweight, quick reference tool for Java developers.
Open Source Computer Vision Library
jEdit is a programmer's text editor written in Java.
Learn Java the easy way!
Lobo Evolution is an extensible all-Java web browser and RIA platform
Visual Automation IDE — automate anything you see on screen
TLC is an explicit state model checker for specifications in TLA+
A Discord music bot that's easy to set up and run yourself
Automatic frontend engine for Java
Open Source C/C++/Java libraries from Unicode
Virtual Planetarium and other Astronomical Calculation Routines
NotepadXX: A Lightweight, Powerful Text Editor for Every User
The Umple Model-Oriented Programming Technology
JSCover - JavaScript code coverage
Another drawing editor for LaTeX with PSTricks & TikZ
Europa Universalis 4 save game editor
AS2 1.1 server implementation in Java
Tool support for the Z formal notation