POV-Ray [SEP] license
POV-Ray, and contributors to the software worked under the assumption their contributions would be licensed under the POV-Ray 3.6 Licenses.
In 2013, with version 3.7, POV-Ray was relicensed under the Affero General Public License version 3 (or later). Thus POV-Ray is since then free software according to the FSF definition and also open source software according to the Open Source Definition.
See also.
- Blender – free and open-source software program for 3D modeling, animation, and
a compatible C++ compiler.
Software Licensing.
Originally, POV-Ray was distributed under its own "POV-Ray License". Namely, the POV-Ray 3.6 Distribution License and the POV-Ray 3.6 Source License, which permitted free distribution of the program source code and binaries, but restricts commercial distribution and the creation of derivative works other than fully functional versions of POV-Ray.
Although the source code of older versions is available for modification, due to the above 3.6 and prior license restrictions, it