The Swiss Army Knife for video, VLC diplays almost every video format known on all of the major operating systems and even some long-forgotten favorites like BeOS. It even knows how to deal with some of the Ogg Vorbis files you've got laying around. For more details on each app, read our full story.
This story, "Top 10 open source apps for Mac OS X," was originally published at InfoWorld.com. Follow the latest developments in open source, the Mac, and Mac OS X at InfoWorld.com.