What is the best file sharing programs out there?

definitely bittorrent for me

utorrent over Private trackers, i dont use any public trackers.

and emule occasionally

Definitely BT. using utorrent client...

BT rules

utorrent

private trackers are the best. nothing compare to privte trackers IMO.

limewires full of spyware e.g trojan horses bittorrent is god

BitTorrent and DC++

For me it has to be newsgroups,utorrent,dc++,irc bot,and a
little help with a few private trackers :)

I use torrents for new and popular files with uTorrent Client ..
but for spicfic files i used emule