Desktop/Android/HTML5/iOS Java game development framework
RenderDoc is a stand-alone graphics debugging tool
A lightweight game server framework implemented with Actor Model
MAME is a multi-purpose emulation framework
A fast and reliable entity component system (ECS) and much more
API and runtime that allows access to VR hardware
Moonlight port for Nintendo Switch
Fast, small, safe, gradually typed embeddable scripting language
Samples that demonstrate how to build graphics intensive applications
Botcraft is a cross-platform C++ library to create bots
Simple and light-weight 3D game engine
stb single-file public domain libraries for C/C++
LÖVE is an awesome 2D game framework for Lua
A node.js plugin to integrate nw.js/electron games with steamworks
JK's Save Manager Switch Edition
Flexible level editor
This software is a particle effect editing tool
Memory Efficient Serialization Library
Open source Cardboard SDK and samples
The open-asset-importer-library repository
Drogon: A C++14/17/20 based HTTP web application framework
Orx: Portable Game Engine
Zoomable user interface (ZUI) with file manager, file viewers and more
Vivid3D is a C++ IDE/3D engine, with python scripting.