Unity3D Client And C# Server Framework
One framework for creating powerful cross-platform games
A simple and easy-to-use library to enjoy videogames programming
Gideros Release version
lua dev plugin for unreal engine 4 or 5
Desktop/Android/HTML5/iOS Java game development framework
A game framework written with osu! in mind.
Examples of procedural geometry for Unity3D C#
OgreWin3D
Orx: Data-Driven Game Engine
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Updated emulator of Forgotten Realms: Unlimited Adventures
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Modern 3D engine and IDE written using C# and C++.
Mad Vandal's FortressCraft Mod Source Code
A 2D game engine and level editor
2D ARPG Engine
3D .NET engine for Windows, Linux, Mac
.NET - VISUAL BASIC NVIDIA +ATI PHYSX SLIMDX DIRECTX 9 -ENGINE/WRAPPER
Open Game Bootstrap
evolution for vegastrike SpaceSim/Combat/Trade game