Ekiga for Mac

Skype keeps the world talking. Say “hello” with an instant message, voice or video call – all for free*, no matter what device they use Skype on. Skype is available on phones, tablets, PCs, and Macs.

ooVoo is changing the way people communicate and connect online with its high-quality video and audio and multi-user capabilities that allow up to six people to talk face-to-face with each other at the same time.

Microsoft Communicator for Mac 2011, the communications client for Macintosh computers, includes real-time audio calls, video calls, and new presence statuses to improve the way users find and connect with their coworkers. Rich presence

Nowadays, when social interactions happen more and more often in the online environment, it's important to use an app that integrates a wide variety of functions and protects the user's privacy.

VoxOx is the only service that unifies all of your communication channels with a free local US phone number, allowing you to Call, Text, and Chat in a single, intuitive interface, giving you full control of your interconnected lifestyle.

Advanced softphone for Mac OS X providing voice and video in an attractive interface, with intuitive functionality. The quick one-step configura tion will get you talking to other iSoftPhone users in seconds.

X-Lite allows seamlessly transition from a traditional phone environment into the world of Voice over IP by combining voice calls, video calls and Instant Messaging in a simple interface.

This program is a converged Internet communication tool combining high-quality voice and video calls, fax, instant messaging and presence through a contact-centric intuitive interface.

Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone environment into the world of Voice over IP.

Jitsi (previously SIP Communicator) is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, Yahoo!, Bonjour and many other useful features.

Linphone is free and open-source application that provides an internet phone or Voice Over IP phone (VoIP). With Linphone, you can communicate freely with people over the internet, with voice, video, and text instant messaging.

OctroTalk is a Jabber/Gtalk client with support for Google Talk (GMail) audio and video calls. OctroTalk also supports SIP calling (through a provider of your choice).

Allvoi Softphone is a free application that allows you to make calls from your computer. Also this easy to use application allows you to make video calls. Main features: - you can store you call history. - can block contacts.