Open-source engine for Heroes of Might and Magic III
Solar2D Game Engine main repository (ex Corona SDK)
New Godot bindings for Swift
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A completely free, open-source, 2D game engine
Game engine supporting many 3D/2D formats and graphic effects
Embeddable unity game engine view for Flutter
Urho3D Game engine
A cross-platform, open-source, pure C game engine for mobile game
Cross-platform 2D and 3D game engine
A cross-platform 2D game engine
Blueshift is a cross-platform 3D game engine implemented in C++
Portable game engine with main focus on point-and-click adventures
online 4X browser game engine
Visual Novel engine, editor and game development.
Free Android 2D OpenGL Game Engine