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

Mynigma
FreeEmail client with a clean, intuitive interface and end-to-end encryption.
Mac
iChat AV
FreeDownload Apple's integrated video chat client.
MacDelete2Archive
FreeRestores the ability to use the delete key to archive Gmail messages in Mavericks.
Mac
Proxifier
PaidUse any internet app via firewalled/proxied network.
Mac
Herald
FreeReceive popup notifications whenever you receive new email.
MacBlogWorkz
Trial versionPost messages to Blogger-enabled weblogs.
Mac
Mail Archiver X
Trial versionArchive and protect your email.
MacMailspring
FreeBoost your productivity and send better email.
MacVMGtoCSV
FreeCommand line utility that converts Nokia .vmg files to .csv.
Mac
Mozilla Thunderbird Beta
FreeFamiliarize with Thunderbird's emerging innovations and make assessment contribution to overall performance improvement.
MacYahoo Messenger
FreeDiscontinued but popular messaging service by Yahoo
Mac
Cookie Muncher
Trial versionDelete all the cookies but the ones that you want to keep.
Mac
MOR
FreeAdvanced Softswitch with billing and routing functionality.
Mac
eMail Extractor
Trial versionTool to extract email addresses from files.
MacVChat
FreeVideo conferencing client for CU-SeeMe.
Mac
Webcam Settings
PaidCustomize your webcam's settings while using FaceTime, Photo Booth or Skype on your Mac.
Mac
Webcam Settings iMovie Enabler
FreeEnable external USB UVC camera support in iMovie for Webcam Settings user.
MacTwitch
FreeMacFineCam
Trial versionGet rid of issues such as the low quality of your webcam.
MacX Lite
Trial versionMake phone calls from your computer.
MacRedbox
FreeIRC client
MacMercury Messenger
FreeLog in to your MSN account.
MacIrcle X
Trial versionInternet Relay Chat (IRC) client.
Mac
BB
Freesmall, simple webcam / security camera viewer
Mac