Under what license is Xvid published?
The Xvid code is released under the terms of the GNU General Public License (GPL). The GPL is a copyright license that opposed to other such licenses grants receivers additional freedoms, like e.g. a redistribution right as well as a right to make modifications to the Xvid code. There are requirements however: Among others, the GPL requires modified or combined/derived works to be distributed as a whole under the terms of the GPL as well. Refer to the GPL license text, which is included within your copy of the Xvid source code, for more detailed information.
