xMule is an easy to use multi-platform client for the ED2K Peer-to-Peer
Network.  It was originally based on eMule, the popular windows-only client
for the same network.  It uses the wxWindows class library.

Some of its features include Movie Preview, GTK2 Compatibility, Multi-Selection
in all lists, Tray-icon, Statistics, Source Exchange, File Commenting any many
more.