The differences between it and BitTorrent are evident: Tomato Torrent is a lighter, more compact tool that has removed some functions while adding others.
The application remembers recent downloads and where they were saved through a drop-down menu. It's also possible to stop seeding a downloaded torrent after it has seeded a set amount.
With support for AppleScript, you can also to set an upload rate for seeding each Torrent.
For Mac OS X 10.4 or higher. Users of Mac OS X Panther (10.3) and Jaguar (10.2) should download Tomato Torrent 1.5b1.