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

Mango IRC
PaidInternet Relay Chat (IRC) client.
Mac
TorChat
FreeChat in anonymous rooms without getting located.
Mac
Unibox
PaidPeople-centric email client.
Mac
Google Notifier
Freenotifies you of new Gmail & upcoming Gcal events
Mac
LimeChat
FreeFast, stable IRC client.
Mac
Gmail Notifier
FreeCheck your Gmail account without opening your browser.
Mac
Keypad
PaidInitiate phone calls from your Mac through your iPhone.
Mac
SysTools Mac MBOX Converter
Trial versionConvert Mac MBOX Files to PST, PDF, EML, EMLX, MSG, and HTML on Mac system.
MacSysTools Mac OLK Converter
Trial versionConvert multiple OLK14/OLK15 files to PST in bulk.
MacNymgo
FreeMake international Voip calls.
MacAsterisk
FreeTurn Mac OS X into a PBX and VoIP telephony server.
MacAirmail
PaidSend your mail with lightning speed.
Mac
Mozilla Thunderbird Beta
FreeFamiliarize with Thunderbird's emerging innovations and make assessment contribution to overall performance improvement.
MacZfone
FreeSecure VoIP phone client, like PGPfone.
Mac
Retrospective
Paidsearch Safari's cache for any text or image name
MacEmail Verifier
FreeEmail Verifier Software for Mac
Mac
eMail Verifier
Trial versionVerify single or multiple email addresses.
MacAST Android SMS Transfer
Trial versionTransfer and backup Android SMS to Mac.
MacConnect
PaidMake and receive phone calls from your Mac using a Bluetooth hands-free connection to your phone.
Mac
Mail Call
PaidFull-featured mail notifier for email accounts that support IMAP.
Mac
Frim
FreeMeet, communicate, chat, flirt and maybe date with someone.
Mac
Viber
FreeSend free messages and make free calls to other Viber users, on any device and network, in any country.
Mac
SMS Log
FreeHelper app that lets you view the archive of text messages collected by The Missing Sync series of applications.
MacEvoCam
Trial versionStream live video to websites.
Mac