Chat & IM

Portable Adium
Freesmug(Paid)
Download
Portable Adium - Multi-Account Messenger for Mac
Social Lite
GrandSoft Hong Kong Ltd.(Free)
Download
Social Lite: A Free Mac Program for Social Networking
Syrinx
MRR Software(Free)
Download
Syrinx: Free and Highly Customizable Twitter Client
Pixfeed
MOKA Code(Free)
Download
Pixfeed: A Free Mac Program for Chat and Instant Messaging
Itsy
mowglii(Free)
Download
Tiny desktop Twitter app
Megafon
Call4mac(Trial version)
Download
A trial version app for Mac, by Call4mac.
FunkeeStory
Funkeemonk(Trial version)
Download
FunkeeStory: Instant Message Backup for Your Treo
iModz
Imodz(Free)
Download
Customize your iChat status
BitTorrent Bleep
BitTorrent(Free)
Download
BitTorrent Bleep: A Free Internet Program for Mac
ShowMacster
Showmacster(Trial version)
Download
A trial version app for Mac, by Showmacster.