Posted Mon Aug 19, 2013
Cycles renderer’s new licensing to facilitate adoption by studios1 Comment
Blender’s “Cycles” license has been changed from GNU GPL to the Apache License v2.0 to allow the renderer to be linked and used with any program, including commercial software and in-house software at studios. For more on Cycles read the renderer's documentation, latest improvements and new licensing press release on the Blender Developer blog.
Source: Oscar Jordan