Adium - IM Messenger (ICQ, etc.)
Burn - CD/DVD burning
Cyberduck - SFTP client
Google Notifier - Gmail/Google Claendar
HandBrake - Video converter for iPhone/iPod
Max - Music format converter
Text Wrangler - text editor, code highlighting
The Unarchiver - rar support and a lot of other formats
Tunnelblick - Open VPN client
uTorrent - Torrent client
VLC - Video player
