Communication › Instant Messaging & VoIP

Free

If you like Twitter but value a real OS X look and feel then give Nambu a try.

IPod backup tool.

Use your webcam to meet other people virtually.

Ideal for online meetings, Web presentations, webinars and more...

Free

Talk, Text, Video chat, SMS and Phone friends and family free...

Free

Simple tool for Mac users to make Cheap phone calls.

Application that works in background and provides a visual alert to inform you about the person currently calling on the phone.

Free

Join the tens of thousands of businesses across the globe that want to take advantage of the benefits of cloud computing but are unwilling to accept..

VidyoDesktop turns any Macintosh into an HD VidyoConferencing system.

Free

Make calls and send messages from a smartphone, PC or Mac.

Free

VoipBuster offers a simple tool for OS X to make cheap phone calls.

Free

VoipDiscount offers a simple tool for OS X to make cheap phone calls.

Free

Free and open-source application that provides an internet phone.

Turn-key solution for a variety of real-time communication and cross-platform file sharing services.

Free

Callnote Premium is a Free app for recording Skype, Hangouts, Viber...

Facebook desktop client with notifications support and menu bar item.

FRITZ!Box Call Manager for the Mac.

Free

Free, open chat that aims to provide an open, accessible IM environment.

Free

SMS service for the Enterprise.

Beautiful, native instant messaging client for OS X that supports Hangouts/Gtalk and XMPP.

Free

VoIP client allowing you to have up to five simultaneous calls.

Free

Receive and send text messages right from your desktop.

Free

It lets you access BBM and text messages from your BlackBerry on your computer.

Free

Host or join conference calls.