Vulkan-based implementation of D3D9, D3D10 and D3D11 for Linux / Wine
aka ogre v2 - scene-oriented, flexible 3D C++ engine
FlightGear Flight Simulator: free open-source multiplatform flight sim
3D fractal rendering software
3D Engine c++
Kokua is a V3 based open source metaverse viewer project.
Open Source Solid Modeling CAD
LDraw™ editor for LEGO® style digital building instructions.
A simple 3D framework in C++
3D Without Boundaries
Scanning Probe Microscopy Controller and Data Visualization Software
Lightweight and modular C++11 graphics middleware for data and games