GemRB is a portable open-source implementation of the Infinity Engine
The Only Open Source Genshin Killer
Heros of Jin Yong 3D Remastered
Game engine to build text adventures.
The first-ever RPG for WordPress
2D Game Engine
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
A space race game in the style of A Dark Room
KCG is the (N)PC generation tool for the Kontinuum RPG system.
plugin-based RPG manager in C++ and Qt5
Calculate various aspects of the Kontinuum RPG system.
An Open Source RPG - a tabletop game
The classic intelligent role playing game
Cross-platform 2D game engine
A D20 combat initiative tracker