Generate any location from the real world in Minecraft
The main repository for the development of the evolution game Thrive
All of Minecraft, EASILY get Minecraft resources
Python MUD/MUX/MUSH/MU* development system
A java 3d simple virtual celestial globe. Source code available
All-in-one game engine built on Godot. Roblox & UEFN alternative
Now the dogs may driving a car in a complete 3D world.
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
Provides a full suite of clients and servers for virtual worlds.
An online multiplayer turn based strategy game and board game engine.
The original Xivio.com World Server Core
A videogame about the wonders of operating system concepts.
Open Source Virtual World and MMOG Development Platform
PlaneShift Role Playing Game immersed into a 3D virtual fantasy world