HydraIRC

HydraIRC is an open-source IRC client for Windows. Development is spearheaded by Dominic Clifton, who maintains ownership of all contributed code, and is also the original and primary developer.

Main Features

DCC Chat and File transfers
Supports Multiple Server Connections
Dockable Floating Tabbed Windows
Autohiding Windows
DLL Plugins
Channel Monitoring
Message Logs
Event Viewer
Themes
Color schemes
Buddy groups
Audible and Visual Notifications
Reg-Exp Highlighting
Favorites

External Links

HydraIRC Website