Talk:Panda3D

The license might be unfree, as one is required to notify disney of changes.

4. Any modifications which You create or which You contribute to the Software are governed by these terms and the License. A modification is any change, deletion or addition made to the Software code. The source code version of the Software may be distributed only under these terms and the License or a future version of the License released by Licensor, and You must include a copy of these terms with every copy of the source code or Software that You distribute. You may not offer or impose any terms on any source code version that alters or restricts the applicable version of these terms or the License. In addition, You must identify Yourself as the originator of the modifications You made to the Software, if any, in a manner that reasonably allows subsequent recipients to identify You as the originator of the modifications. Further You must cause the Software to contain a file documenting the changes You made to create the modifications and the date of any change. You must include a prominent statement describing the modifications made to the Software. An electronic copy of the source code for major modifications that You make to the Software should be forwarded to Licensor at Panda.Project@Disney.com as soon as the modifications are significant or stable enough for Licensor’s evaluation for possible future distribution. Alternatively, you may notify Licensor of a location from which the modifications are available and may be downloaded by Licensor at Licensor’s election.

It also uses FMOD which is unfree http://www.panda3d.net/wiki/index.php/Sound