A framework to build Pokémon RPG games
A lightweight game server framework implemented with Actor Model
3D game engine/framework in C, with Luajit and Python bindings now
Godot game template and component-based framework
A lightweight online game framework
A fast and reliable entity component system (ECS) and much more
Arianne is an engine to develop multiplayer online games like Stendhal
JavaScript framework to build game engines, games, emulators and apps
the java game and entertainment runtime
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
A Rust framework for building Minecraft servers
A complete web framework to create online Fighting Fantasy adventures
Now maintained at https://code.google.com/p/lpi/
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
The Pokemon Go Bot, baking with community
A game server framework in Go (golang)
Game engine allows you to create own MMORPG
3D .NET engine for Windows, Linux, Mac