Konversation is a user-friendly Internet Relay Chat (IRC) client built on the
KDE Platform.

Features:

Standard IRC features
SSL server support
Bookmarking support
Easy to use graphical user interface
Multiple servers and channels in one single window
DCC file transfer
Multiple identities for different servers
Text decorations and colors
OnScreen Display for notifications
Automatic UTF-8 detection
Per channel encoding support
Theme support for nick icons
Highly configurable