Mibbit is a fully featured IRC Client. Allowing you to interact realtime with your friends. Chat, play games, collaborate on projects together and more.
Quassel IRC is a modern, cross-platform, distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core -- much like the popular combination of screen and a text-based IRC client such as WeeChat, but graphical. In addition to this uniqe feature, we aim to bring a pleasurable, comfortable chatting experience to all major platforms (including Linux®, Windows®, and MacOS X® as well as Qtopia-based cell phones and PDAs), making communication with your peers not only convenient, but also ubiquitous available.
And the best of all: It's free - as in beer and as in speech, since we distribute Quassel under the GPL, and you are welcome to download and see for yourself!
BitlBee brings IM (instant messaging) to IRC clients. It's a great solution for people who have an IRC client running all the time and don't want to run an additional MSN/AIM/whatever client. BitlBee currently supports the following IM networks/protocols:
"This is actually what Lockergnome is using...we're using the WyldRyde IRC Network...we've got a nice little Java applet that pops up in the browser window...Its fantastic, I would consider using virtually no other chat software at this point. It works!
Qnext comes with a built-in and easy-to-use IRC client that connects into IRC servers around the world on the IRC network. This gives you access to thousands of user channels and millions of other users. No need for others to have Qnext.