mIRC

mIRC screenshots

mIRC allows you to communicate, share and work with each other on IRC networks
Main window
mIRC 7.4 : Main window

Alternative downloads

Visual IRC
Visual IRC (ViRC) is an open source Internet Relay Chat client for the Windows.
2.0.0.187
FREE
Radmin Communication Server
Tool allowing multiple users to communicate in real-time.
3.0
IRC Explorer
FREE, easy to use, IRC (Internet Relay Chat) client.
FREE