Mac Apps for Chat
Top 3 Chat Apps for Mac
More Chat Apps for Mac

Colloquy
Trial versionColloquy: A Feature-Rich IRC Client for Mac
Mac
WhatsApp
FreeWhatsApp app on your Mac
Mac
Facebook Desktop
FreeFacebook Desktop? More like Facebook Dust. Don't bother.
Mac
X (Twitter)
FreeOverview of X (Twitter) App Features
MacNetSpeedometer
FreeMonitor Your Internet Speed with NetSpeedometer
Mac
MSN Messenger
FreeMSN Messenger: Free Chat Application for Mac
Mac
eFax Messenger
FreeComprehensive Overview of eFax Messenger for Mac
Mac
Wickr
FreeSecure Messaging with Wickr for Mac
Mac
iChat AV
FreeComprehensive Overview of iChat AV for Mac
Mac
ezTalks
FreeComprehensive Chat Solution for Mac Users
MacTeamSpeak
FreeReliable Chat Software for Mac Users
Mac
Yahoo! Messenger
FreeYahoo! Messenger: Simple chat, but is it worth it?
Mac
Microsoft Messenger
FreeInstant messaging tool.
Mac
GoPro Webcam
FreeGoPro Webcam: Solid HD video, if your GoPro's supported
Mac
Purify
Trial versionPurify: A Streamlined Chat Solution for Mac
Mac
Drumbeat X2
Trial versionOverview of Drumbeat X2 for Mac
Mac
Apple Messages
FreeIn-Depth Analysis of Apple Messages for Mac
Mac
ICQ (OS X)
FreeICQ for Mac: A Versatile Chat Application
MacVMGtoCSV
FreeEfficient VMG to CSV Conversion Tool for Mac
Mac
EOS Webcam Utility
FreeTransform Your Camera into a Webcam
MacInstantbird
FreeTalk to all your friends with a single application.
Mac
More Ichat Effects
FreeEnhance Your Chats with More iChat Effects
MacDev Zero G Uploader Creator for Webnative Venture
Trial versionEfficient Chat Management with Dev Zero G Uploader
Mac
Echofon for Firefox
FreeEchofon for Firefox: A Comprehensive Twitter Tool
Mac