Editing software for 3D video editing, video and still photography can be difficult.
To help, the Free Software Foundation has released a free 3D-Editing software package, which you can use to create and edit 3D animations.
The software is written in C# and has been released to the community under the GPLv2.
You can download it from the FreeSoftware.org website.
Free Software software is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Patent Foundation, either version 2 of the License, or (at your option) any later version.
This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU GPL for more details.
To view a copy of the license, visit http://www.gnu.org/licenses/gpl-2.0.html.
You may also be interested in reading: How to Create and Use 3D Models in Photoshop