If you're happy with BS then try the expired beta version mentioned in the first link. Otherwise, there are other apps to try (all free & all connecting to the Gnutella network).
BearShare Phex Morpheus *And if there are still site problems with the link above then see
Clean Updated Morpheus Installers available here! LimeWire FrostWire
Which app people think is best depends on whether they like the interface, ease of use, options etc.