Apache NetBeans
A complete 3-D game development suite written in Java
Parser generator to read, process, or translate structured text
Gephi the open graph Viz platform
The SpotBugs plugin for security audits of Java web applications
Cross-platform framework for building truly native mobile apps
Java/JavaFX/Kotlin Game Library (Engine)
Arianne is an engine to develop multiplayer online games like Stendhal
Cooperative multiplayer graphical RPG and adventure game
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Unicode-XML-TEI text/corpus analysis platform
A fork of the late Bernhard Hobiger's "HoDoKu - Sudoku for Java"
Java port of Oddwarg Animal RPG
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
An in-progress 2D tactical RPG
iRPGUnit Testing for RPG Developers on IBM i
XRocket Email Tool for Sending Emails to Multiple Users
Arranges alignments in a rotating cylinder
Individualizes Rolemaster creatures.