0 A.D. is a free, open-source, cross-platform real-time strategy game.
X3D is the open-standard format for 3D graphics scenes on the Web.
Virtual X-Ray Imaging Library on GPU
Xj3D is an open-source Java codebase for the X3D Graphics standard.
OpenAL 3D Sound Mixer & Output as ASIO Driver
A real-time 3D Engine written in Ada
Heros of Jin Yong 3D Remastered
A free 3d game for PC that does not limit the player. Fight,Build,Gain
functions for 2D/3D graphics + realistic driving simulation
3D Scene Builder
Vivid3D is an open-source 3D engine with powerful 2D UI.
linux
React toolkit for building a full website that also is a Micro-Fronten
3D PBR Texture Painting Software
Javascript/WebGL lightweight face tracking library
Viewer and exporter for Unreal Engine 1-4 assets
Vivid is a modern C++ 3D engine using OpenGL4+
Javascript Matrix and Vector library for High Performance WebGL apps
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Go 3D Game Engine
Chess program
3D Engine with Blender Integration
Cinema Enters Game Console
DOOM / Heretic / Hexen source port with enhanced graphics and UI