Godot Engine – Multi-platform 2D and 3D game engine

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

Abandoned hybrid singleplayer/multiplayer shooter project formerly known as DECEIVER

The main client for the Worldforge MMORPG system.