IRC Channel: #Debian on freenode (irc.debian.org -> irc.freenode.net)
Debian includes too many IRC tools to list. You can find them at the following places:
Debian stable.
Debian unstable (didn't receive enough testing).
Also be sure to check the proposed updates. It may contain IRC clients as well.
IRC Channel: #RedHat on freenode (irc.redhat.com -> irc.freenode.net)
Red Hat 8.0 includes the following clients:
Red Hat Raw Hide (current development)
ftp://rawhide.redhat.com/pub/redhat/linux/rawhide/. Use at your own risk.
Slackware -current (current development)
ftp://ftp.slackware.com/pub/slackware/slackware-current/. Use at your own risk.