Great Video Manager & Player
VLC Media Player is a free opensource media player which can do a few things which make it a great all around video manager including:
- Playing nearly all video types with no need to download additional codecs.
- Backing up (or ripping) DVDs to an electronic format you can save on a hard drive
- Convert video to ipod video format
See Lifehacker’s post on mastering your digital media with VLC for more details.