BitTorrent is an awesome peer2peer filesharing system. It takes advantage of your spare bandwidth. It is a powerful peer2peer application but is not a peer2peer network. BitTorrent has become very popular in the Linux and Windows galaxy. Go to their website and check it out. Microwave instructions will be put on your Desktop during installation. Requires Python 2.2.2 (BeBits App 3393)
Gtk-Gnutella is a clone of Gnutella. It runs on every Unix which supports GTK+. Gtk-Gnutella is not finished yet, but it is fully functional: you may share, search, and download. It is stable too: users usually just leave and let it run unattended for days.
LimeWire to run on Beos system that has Bone and Personal Java. I have found that this will run very well in 5.1d0 but not 5.0.x Also you will notice that the first 4 times you run the application it will take FOREVER to connect to any server. But after those first 4 initial connects you should have enough connects to connect within a minute for the remainder of use. Have fun, this is the first bi