Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins.
Ranked in these QuestionsQuestion Ranking
Pro Persistent Connection
Pro Perl Scripting
Allows the user to create and use perl scripts to perform actions.
Allows the modification of IRSSI's look and feel.
Pro Command line outputs can be sent to a channel or message
/exec -o figlet "Slant.co"
Pro Free and open-source
Pro Has a plugin for encrypted communications
Con Gives little direction upfront
Con Cryptic configuration files
Con No GUI
Actually a plus, lower memory overhead
Con Can't do vertical splits
Untrue, there are perl scripts available to do split screens with