The following are gnutella p2p file share programs.
gnutella.com
Find out about gnutella and keep up on gnutella news.MUSIC2LOOP strongly reccomends and supports gnutella.
bearshare.net
Great gnutella sharing program. (Recommend & easy to use).
limewire.com
#1 Gnutella file share progam.(RECOMMEND)
xolox.com
A new Gnutella file share program.
morpheus.com
Very popular gnutella file share program.
gnucleus.com
Up and coming gnutella file share program.
www.shareaza.com
Another gnutella file share program. They claim they don't have spyware or any pop ups.