MUTE - free anonymous P2P client

[MJ]

MUTE protects your privacy by avoiding direct connections with your sharing
partners in the network. Most other file sharing programs use direct
connections to download or upload, making your identity available to spies
from the RIAA and other unscrupulous organizations.

http://mute-net.sourceforge.net/

forum:
http://www.forums4free.net/MuteHashes/index.php?showforum=10

http://www.planetpeer.de/wiki/index.php/TheMuteFaq
http://www.planetpeer.de/wiki/index.php

Sorta freenet-like, connections are encrypted, but searchable.