Clutch is a front-end for the Transmission torrent engine; it doesn't require the GUI version of Transmission,
If you do not have a static IP address, or use a dynamic DNS service (such as DynDNS), then Clutch will give you a link to your current external IP address, so you can find and connect to your computer over the internet. You might ask "Why would I want to do that?" The answer is time management: BitTorrent downloads can take a while, much too long for you to wait around, and with this tool you can manage your downloads from work, school, or at the local Starbucks. Using this software means that you will have to open a port in your firewall (the default port is 9091, however, you may set it to use any inactive port above 1024 that you wish). Clutch 0.2 is open source and is available as a free download from the Clutch website.