Limewire
Official Website & Free Download - Lime Wire
Music: 4.5 Stars
Movies: 2.5 Stars - But Supports Torrents
Software: 2.5 stars
Download Speeds: 4
Ads: Yes (On Free Version)

Extras: Limited Torrent Downloads

Frostwire
http://www.frostwire.com
Music: 4.5 Stars
Movies: 2.5 Stars - But Supports Torrents
Software: 2.5 stars
Download Speeds: 5 Stars
Ads: None

Extras: Chatrooms and Unlimited Torrent Downloads

Mp3Rocket
http://www.mp3rocket.com
Music: 4.5 Stars
Movies: 2.5 Stars - But Supports Torrents
Software: 2.5 stars
Download Speeds: 5 Stars
Ads: Yes (On Free Version)

Extras: Torrent Search, TV Channels, Games, Radio Stations and Unlimited Torrent Downloads

Ares
http://www.aresgalaxy.sourceforge.net
Music: 4.5 Stars
Movies: 4 Stars
Software: 3 stars
Download Speeds: 3.5 Stars

Extras: Chatrooms

eMule
http://www.emule-project.net
Advanced
Music: 4 Stars
Movies: 4 Stars
Software: 3.5 stars
Download Speeds: 3.5 Stars

Extras: Chatrooms