Original sentence: While DivX is proprietary software, Xvid is free and open source software distributed under the terms of the GNU General Public License and, unlike DivX, can be used on many different platforms and operating systems
Edited sentence: Another advantage over DivX, is that Xvid can be used on many different platforms and operating systems.One advantage of Xvid over DivX is that Xvid is free software distributed under the terms of the GNU General Public License.while DivX is proprietary software