Real Time Strategy game engine supporting early Westwood classics
Eva.js is a front-end game engine for creating interactive projects
Java/JavaFX/Kotlin Game Library (Engine)
The HTML5 Creation Engine
Cross-platform game engine in Rust
Go bindings for raylib, a simple and easy-to-use library
High performance UI layout library in C
Ct.js is a desktop game engine that makes learning programming fun
SDL based generic 2D game engine
Old-school 2D game engine
Orx: Data-Driven Game Engine
realistic driving simulation + functions for 2D/3D graphics
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Free, open source game engine online
DARKLINGS is an accessible F2P 2D fighting game with periodic updates
Game framework with AI
Rust library to create a Good Game Easily
Turn based tactical RPG with several campaigns, written in Rust
Murder is a pixel art ECS game engine
Vivid3D is an open-source 3D engine with powerful 2D UI.