Open source, cross-platform client for the anonymous MUTE network. Includes documentation, screenshots and a support forum.

Music file sharing application supporting text and voice chat, multi-source MP3 and ogg downloads, and a built-in media player.

A free, open source file sharing application for Mac OS X that is able to connect to the Gnutella, FastTrack and OpenFT networks.

Offers an open source client compatible with Unix platforms for the G2 network which is also used by Shareaza. Includes screenshots and a forum.

Open source client for the Rshare anonymising peer-to-peer file sharing system. Includes screenshots, tutorials and a forum.

Derived from Shareaza, it has a redesigned network core developed in an attempt to provide better stability. Also aims to speed up file searches and downloads and has additional features for advanced users.

A port of eMule to the I2P anonymity network, designed to protect users' privacy. Includes documentation, forums and a bug tracker.

File sharing system with a browser-based client allowing sharing amongst closed networks of friends.

Offers a support forum, tutorials, information for system administrators and patches to make the old client work with current servers.

BitTorrent and WinMX help site.