This allows you the GNU GPL license
The GNU General Public License - GNU GPL for short - is a license for Software. It was first written in 1989, and is now in the third Version (GNU GPLv3). The license includes the following points:
- With the license, you can legally copy source code of the GPL programs to use, distribute, and modify.
- You may use the Software only if you license your tool is also GPL.
- Software with GPL-license, you may also use for any purpose - including commercial.
- The complete license text can be found on the official Website of the GNU GPL. There you will find also a tutorial on how you can license your own program with the GPL.
Images and Videos are unlike many programs, often under the Creative Commons license. Read more on this in a further practical tip, what is the condition and meaning of this license.