Konversation is a user friendly IRC (Internet Relay Chat) client for KDE.

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

WWW: https://konversation.kde.org