Mac Apps for Communications
Top 3 Communications Apps for Mac
More Communications Apps for Mac

Discord
FreeComprehensive Communications with Discord
Mac
Tumblr
FreeExplore Creativity with Tumblr for Mac
Mac
X (Twitter)
FreeOverview of X (Twitter) App Features
Mac
Proteus
Trial versionMulti-Protocol Chat Client for Mac Users
Mac
Colloquy
Trial versionColloquy: A Feature-Rich IRC Client for Mac
MacX Lite
Trial versionX Lite: A Comprehensive VoIP Solution for Mac
Mac
Apple FaceTime
PaidEasy calling across the Apple world
Mac
Facebook Desktop
FreeFacebook Desktop? More like Facebook Dust. Don't bother.
Mac
BoinxTV
Trial versionBoinxTV: Versatile Live Streaming Software for Mac
Mac
EOS Webcam Utility
FreeTransform Your Camera into a Webcam
MacNetSpeedometer
FreeMonitor Your Internet Speed with NetSpeedometer
Mac
Station
FreeEfficient Chat Management with Station
MacIP Reporter (OS X)
Trial versionEfficient IP Address Management Tool for Mac
Mac
Messenger
FreeComprehensive Overview of Messenger for Mac
Mac
InstaBackup
PaidEfficient Backup Solution for Instagram Users
Mac
Internet Explorer
FreeInternet Explorer for Mac: A Legacy Browser
Mac
MSN Messenger
FreeMSN Messenger: Free Chat Application for Mac
MacKODAK Gallery Upload Plug-in
FreeStreamline Photo Uploads with KODAK Gallery Plug-in
Mac
Wickr
FreeSecure Messaging with Wickr for Mac
Mac
Twitter
FreeThe official microblogging client.
Mac
eFax Messenger
FreeComprehensive Overview of eFax Messenger for Mac
Mac
iChat AV
FreeComprehensive Overview of iChat AV for Mac
Mac
QQ
FreeComprehensive Overview of QQ for Mac
Mac
ezTalks
FreeComprehensive Chat Solution for Mac Users
Mac