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

Colloquy
Trial versionQuality IRC & SILC client with style.
MacSnap Camera
FreeMacWhatsapp
FreeWhatsapp for Mac: Populer messaging app on your Mac device
Mac
Skype
FreeStay within the reach with free Skype-to-Skype video/audio calls, videoconferencing, smart messaging, and screen sharing.
MacGoogle Voice and Video
FreeMacTwitch
FreeMacZoom Workplace
FreeMac
AOL Desktop for Mac
FreeAll-in-one AOL client with integrated mail, AIM, browser.
MacWeChat
FreeMacApple Messages
FreeDownload Messages Beta and get a taste of what's coming in OS X Mountain Lion. When you install Messages, it replaces iChat. But iChat services will continue to work.
Mac
Discord
FreeObtain power to create your own place to belong and share it with explicit soulmates you invite.
MacBria
PaidVoIP softphone and conference software.
MacZello Walkie Talkie
FreeReal-Time Voice Chat App for Mac
Mac
Apple FaceTime
PaidMake video calls to iPhone 4, the new iPod touch, or another Mac.
Mac
Camfrog Video Chat
FreeHear, see, and chat with many people at a time.
Mac
EmailPro for Gmail
PaidGmail desktop client with notification support and menu bar item.
MacSignal
FreeSend high-quality messages anywhere in the world without SMS or MMS fees.
MacPodcast Monkey
Trial versionSend podcasts easily using drag and drop.
Mac
SnapWeb
Trial versionCapture full screenshots of Web pages and save them in different file formats.
MacEudora
Trial versionE-mail client.
MacYahoo Messenger
FreeDiscontinued but popular messaging service by Yahoo
Mac
EOS Webcam Utility
FreeTurn your compatible Canon camera into a high-quality Webcam.
Mac
PalaceChat
Trial versionInteract with other users online in 2D environment.
MacDrumbeat
Trial versionGet maximum results looking for files on the Net connecting to more than 100 servers simultaneously.
Mac