Free
Express Talk
Express Talk: Virtual telephone compatible with most VOIP services
Free
Express Talk: Virtual telephone compatible with most VOIP services
Paid
A great alternative Twitter app for OS X
Trial version
Social Network Browser: Spyder Review
Trial version
Snak: An IRC Client for Professionals
Free
ooVoo: Free Multiple Video Chat Client
Free
Scalaris: An Elegant and Discreet Twitter Client with Growl Support
Free
Use Skype remotely
Trial version
iSpQ VideoChat: Meet Other Video Chat Users from Around the World
Free
Sync Adium and Address Book
Free
Jitsi: Free Messenger Client Supporting Audio and Video Chats
Free
net4mac: Social Networking for Mac Users
Free
Mac Messenger: Open Source MSN Messenger Client for Mac
Trial version
Easy local network communication
Free
56 Free Effects for iChat
Free
Full featured IM client for internal communication
Free
New Emoticons for MSN Messenger
Paid
FaceTime: Video Chat Done the Apple Way
Paid
Tweetbot for Twitter: A Full Version Program for Mac
Free
An alternative to Skype
Trial version
Video effects within iChat
Free
goober Messenger: Multi-functional messenger with TV, radio and more
Free
A free program for Mac, by Vail Systems Inc..
Free
Social Lite: A Free Program for Mac
Free
A free program for Mac, by Wang Xiaodong.