The GNU General Public License (GPL) Version 2

The VirtualBox Base Package is licensed under the GPL V2, from version 4.0 to 6.1 inclusive. (Some parts of VirtualBox, especially libraries, may also be released under other licenses as well.)

The full text of the license is available here: http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

For additional information, please refer to our Licensing FAQ.

See also:

• http://en.wikipedia.org/wiki/GPL