KCeasy:

KCeasy is a windows front end for the giFT filesharing system. Plugins allow giFT to support different kinds of filesharing networks.

KCeasy currently supports the following networks:
*Gnutella (Shareaza, Gnucleus, LimeWire, Bearshare, XoloX)
*OpenFT (A new network developed by the giFT project)
And of course KCeasy is completely spyware free and Open Source.