s&box is a modern game engine, built on Valve's Source 2
Stream switch games to your PC via USB or network
RPG Maker 2000/2003 and EasyRPG games interpreter
Cross-Platform C++ 2D/3D game engine
dhewm 3 main repository
The ioquake3 community effort to continue supporting/developing id's
Descent 3 by Outrage Entertainment
Fast and lightweight JavaScript game engine built on WebGL and glTF
A plugin loader for the Steam Deck
A completely free, open-source, 2D game engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A rhythm game made with HaxeFlixel
Open source library for creative expression on the web, desktop, etc.
A dead simple 2D game engine for Go
Tactical 2D shooter in fishy pixels style. Made with Rust-lang
The Tiny JavaScript Game Engine That Can!
Action-adventure game originally released in 2013
Go bindings for raylib, a simple and easy-to-use library
Play MIDI like a human in ROBLOX with automatic sustain pedals.
A LinuxSampler Qt GUI Interface
Media Player and Media Tool Kit for Linux using Kulina Graphics
Multiplatform MIDI File Player for Linux, Windows, and macOS
A frontend for Mupen64Plus
Easily generate cue sheets for CD images with compressed audio tracks.
Open and edit the archive files used in over 5700 games.