Panda3D
A powerful cross-platform and open-source 3-D rendering engine.
Panda3D is a powerful 3-D rendering engine for many Unix-based and Windows platforms. See the Panda3D home page at https://www.panda3d.org for more information and for forums and downloads. The source code is no longer hosted at SourceForge, but is now available from GitHub:
https://github.com/panda3d/panda3d