Instant Messengers - IRC

INSTANT MESSENGERS

Adium - is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.

Proteus - is a chat client that allows you to connect that chat with all of the major chat networks, including ICQ, AIM, MSN, Yahoo, Yahoo Japan, Rendezvous, and Jabber.

MSN messenger - is Microsoft’s free instant messenger by for MSN network.

Yahoo! messenger - is multi platform messenger supporting all modern IM features

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.

Skype - even though Skype is rather telephony application it also has the IM capabilities and can be used just like any other IM

AIM - AOL instant messenger supporting AOL and ICQ networks

ICQ - undisputed king of IMs at the the end of the 20th century hasn’t been able to keep it’s popularity lately. But, still there and trying its best to stay alive.

IRC CLIENTS

Colloquay - Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC & SILC client which aims to fill this void. By adhering to Mac OS X interface conventions, Colloquy has the look and feel of a quality Mac application.

X-Chat Aqua - X-Chat Aqua is X-Chat with an Aqua interface for MacOS X. X-Chat Aqua uses the irc engine from X-Chat, and is designed to look and feel like the GTK+ front end.

Snak - is a program that will let you participate in discussions in Internet Relay Chat (IRC) channels. A channel is like a virtual meeting room where people meet and talk.

Irssix - is a Free (GPL) irc client for Mac OS X. It is based on the fabulous unix irc client Irssi.

Ircle X -allows you to connect to up to 10 networks at the same time. Each connection can have 10 channels. You can also exchange files with others, also with PC or Unix users. With Quicktime and a camera or microphone installed you can even send live audio and video to other ircle users.

iRC - is a native IRC client for MacOS X, with a large number of useful features

Most popular applications for Mac OS X