Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.
Miranda New Generation is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM . Very lig ...
Digsby is a multiprotocol IM client that lets you chat with all your friends on AIM, MSN, Yahoo, ICQ, Google Talk, and Jabber ...
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports prot ...
Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols. Designed from the ground-up t ...
The goal of Gajim is to provide a full featured and easy to use Jabber client. Gajim works nicely with GNOME, but does not req ...
ICQ is one of the oldest instant messengers. First developed by the Israeli company Mirabilis, sold to AOL, sold again and cur ...
Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Fra ...
Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under ...
Pidgin is an easy to use, multi-protocol chat client client used by millions. Connect to AIM, MSN, Yahoo, XMPP, and more chat ...
Love iMessage on your iPhone? You'll love it on your Mac, too. Messages lets you send unlimited messages to anyone on a Mac, i ...
Message and video chat with your friends and family for free.
Features
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You c ...
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized ...
Psi is an instant messaging application for Windows, Linux, and Mac OS X that connects to the free, open XMPP network. Localiz ...