Tools & Manuals

AutoREALM (C++, GPL-3.0, mature)
Deity (Python, GPL-2.0, mature, inactive since 2014)
Dungeon Mapper (C++, GPL-3.0, beta, inactive since 2013)
GM Tools (C++, GPL-2.0, beta, inactive since 2004)
JaNaG - Java Name Generator (Java, GPL-2.0, mature, inactive since 2011)
Open Legend RPG (Text, mature)
PCGen (Java, mature)
Pymapper (Python, GPL-3.0, mature)
RPDungeon - computer aided role playing (Pascal, GPL-2.0, beta, inactive since 2006)
Rolemaster Office (Java, Apache-2.0, mature)
Rolisteam (C++, Javascript, GPL-2.0, mature)
sCoreForge Pathfinder Character Creator (Excel, mature)