Mozilla Firefox - Web browser
Flock - Web browser based on Firefox
Mozilla Thunderbird - Email client
VLC Player - Media Player
OpenOffice.org - Office Suite
X-Chat - IRC Client
GAIM - Instant Messenger (AIM, ICQ, YM, MSN, Jabber/GTalk)
Last.fm Player - Premiere player for Last.fm
eMule Plus - eDonkey/eMule client
GIMPShop - Image editor
Limewire Pro - Gnutella client
Shareaza - P2P Client (Gnutella, Gnutella 2, eDonkey, and Bittorrent)
7-zip - for Zip, rar, and jar archives
Inkscape - Vector graphics editor