GemRB is a portable open-source implementation of the Infinity Engine
Cooperative multiplayer graphical RPG and adventure game
Arianne is an engine to develop multiplayer online games like Stendhal
Defeat all the beasties to claim victory!
The ECE is for creation and managing ED3+ED4 characters.
A graphical frontend for PbeM like Eressea
RPG character generator for RPG d20 systems.
Java Character Creator for the Classic Marvel Super Heroes RPG
KCG is the (N)PC generation tool for the Kontinuum RPG system.
plugin-based RPG manager in C++ and Qt5
Built to be ease of use, with no programming knowledge, Multi-platform
Calculate various aspects of the Kontinuum RPG system.
RPGDS is a dice simulator for coin and polyhedron dice.