Podcasting

Juice

Solid podcasting client.
Download Page

iPod Ripping

Senuti

Get music off of your iPod onto any computer.
Download Page

iPodDisk

Copy music off your iPod in the finder, like a regular disk drive.
Download Page

DVD Ripping

Handbrake

DVD ripper and MPEG-4 / H.264 encoding. Very simple to use.
Download Page

CD / DVD Burning

Burn

CD and DVD Burner.
Download Page

Sound Recording

Audacity

Simple sound recording tool.
Download Page

Media Center

Centerstage

Full-screen interface for playing audio, video, and photos. Connect it to your TV.
Download Page

MP3 Management

iEatBrainz

Fills in the correct metadata (title, artist, etc) for MP3s in your collection.
Download Page

Dance Dance Revolution

Stepmania

Dance Dance Revolution clone. Can connect to external dance pads.
Download Page