The Forge Cross-Platform Rendering Framework PC Windows, Steamdeck (native), Ray Tracing, macOS / iOS, Android, XBOX, PS4, PS5, Switch, Quest 2
created at Oct. 3, 2017, 12:57 a.m.
KlayGE is a cross-platform open source game engine with plugin-based architecture.
created at March 21, 2015, 4:34 a.m.
LWJGL is a Java library that enables cross-platform access to popular native APIs useful in the development of graphics (OpenGL, Vulkan, bgfx), audio (OpenAL, Opus), parallel computing (OpenCL, CUDA) and XR (OpenVR, LibOVR, OpenXR) applications.
created at Dec. 23, 2012, 3:40 p.m.
3D C++ Game Engine - yet another open source game engine
created at Nov. 21, 2013, 2:43 p.m.