Java/JavaFX/Kotlin Game Library (Engine)
Open game and rendering engine packed into a JavaScript framework
3D Engine with Blender Integration
aka ogre v2 - scene-oriented, flexible 3D C++ engine
FlightGear Flight Simulator: free open-source multiplatform flight sim
3D Engine c++
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
realistic driving simulation + functions for 2D/3D graphics
A real-time 3D Engine written in Ada
Vivid3D is a C++ IDE/3D engine, with python scripting.
LDraw™ editor for LEGO® style digital building instructions.
High-efficiency minimalist C++ wrapper for OpenGL 4.3
Ms Dos port with slopes 3d floors true3d demo compatibility fast speed
Viewer and exporter for Unreal Engine 1-4 assets
Vivid is a modern C++ 3D engine using OpenGL4+
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