SkiaSharp is a cross-platform 2D graphics API for .NET platforms
Large-scale WebGL-powered geospatial data visualization analysis
LÖVE is an awesome 2D game framework for Lua
A free and open source framework for building powerful 2D and 3D apps
Lightning fast C++/CUDA neural network framework
Arianne is an engine to develop multiplayer online games like Stendhal
High performance C++ library for building Wayland compositors
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Composable GAN framework with api and user interface
A complete framework for Godot to create beautiful and complex AI
a 2D Game Development Framework
object-based image analysis framework
Build virtual reality experiences with A-Frame and React
Cocos2d for iOS and OS X, built using Objective-C
Game engine allows you to create own MMORPG
Modular Gaming Open Source Persistent Browser Based Game Framework
Cross platform 2D game creation framework with Python bindings