The only BitTorrent client for Mac OS 8 - 9.2.2!
MacTorrent is a BitTorrent client written with REALbasic for Mac OS 8 through 9.2.2 as well as Mac OS X Panther (10.3.x) through El Capitan (10.11.x). MacTorrent offers basic BitTorrent functionality and even works on low end G3's.
A File sharing application designed for Freenet/IIP.
MacTella is a completely free gnutella client for Mac OS that was originally developed at cxc.com and others. Projects for Mac OS 7.x still remains in the repository, but the focus lies on developing it for Carbon.
A completely new peer-to-peer system that is totally distributed like Gnutella but should theoretically be far more scalable. Also is based on a simple binary/UTF-8 protocol for excellent international support and ease of implementation.
wxDC is a cross-platform DC (Direct Connect) filesharing client similar to DC++ written in C++ which runs on Windows (all), Unix/Linux (GTK+, Motif, X11), and MacOS X. wxDC uses the wxWidgets cross-platform SDK which can be found at www.wxWidgets.org.