Flexible level editor
xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju
LDraw™ editor for LEGO® style digital building instructions.
A distributed graph deep learning framework.
Event driven concurrent framework for Python
Open-source, cross-platform, C++ game engine for creating 2D/3D games
3D .NET engine for Windows, Linux, Mac
PNG image processing
TurboSphere is an easy to learn and powerful JS based game engine.
Pear3DEngine is a modern and modular 3D development framework
A botting library written in C#, and using the .NET framework.