Jitsi for Mac

Jitsi is a free messenger client for Mac that supports a wide range of instant messaging (IM) protocols and allows users to have audio and video conversations. With Jitsi, you can connect to popular IM protocols such as SIP, Google Talk, XMPP/Jabber, MSN, Windows Live Messenger, AIM, Bonjour, ICQ, Yahoo Messenger, and Facebook chat. The program's main window displays all your personal contacts, and in the chat window, you can exchange IM messages, initiate video or audio chats, and even have group chats. Although the interface is not as intuitive as other IM clients like Adium, the ability to have audio and video chats sets Jitsi apart. Note that Jitsi is regularly updated, and you can easily choose the latest version from the nightly build page. Overall, Jitsi offers a compelling option with its wide support of IM protocols and audio/video chatting capabilities.