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

Skype
FreeStay within the reach with free Skype-to-Skype video/audio calls, videoconferencing, smart messaging, and screen sharing.
MacSnap Camera
FreeMac
AOL Desktop for Mac
FreeAll-in-one AOL client with integrated mail, AIM, browser.
MacWhatsapp
FreeWhatsapp for Mac: Populer messaging app on your Mac device
MacX Lite
Trial versionMake phone calls from your computer.
Mac
Telegram
FreeChat in private and group chats, share photos and videos and stay connected with everyone at once.
Mac
Discord
FreeObtain power to create your own place to belong and share it with explicit soulmates you invite.
MacWeChat
FreeMacZoom
FreeStart or join a 100-person meeting with face-to-face video, high quality screen sharing, and instant messaging.
MacZoom Workplace
FreeMacFacebook Desktop
FreeMacDesktop Facebook
FreeEfficient Desktop Facebook Chat for Mac Users
Mac
PalaceChat
Trial versionInteract with other users online in 2D environment.
MacX (Twitter)
FreeMac
EmailPro for Gmail
PaidGmail desktop client with notification support and menu bar item.
Mac
Apple FaceTime
PaidMake video calls to iPhone 4, the new iPod touch, or another Mac.
MacPodcast Monkey
Trial versionSend podcasts easily using drag and drop.
Mac
iChat AV
FreeDownload Apple's integrated video chat client.
Mac
Colloquy
Trial versionQuality IRC & SILC client with style.
MacApple 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
MSG Viewer for Outlook
Trial versionOutlook message viewer for Mac users
MacDrumbeat
Trial versionGet maximum results looking for files on the Net connecting to more than 100 servers simultaneously.
Mac
Mail Call
PaidFull-featured mail notifier for email accounts that support IMAP.
Mac
Callnote Call Recorder
FreeRecord Skype, Hangouts, Facebook, Viber, Facetime, WebEx and GoToMeeting audio and video calls.
Mac