Modern AS3 Game Engine
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Egret is a brand new open mobile game and application engine
Visual Novel engine, editor and game development.
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Game engine to build text adventures.
cross-platform 2d game engine
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
online 4X browser game engine
Cross-platform game engine in Rust
Cross-platform 2D game engine