mIRC

mIRC screenshots

mIRC allows you to communicate, share and work with each other on IRC networks
Options Window
mIRC 7.3 : Options Window

Alternative downloads

AdiIRC
A simple and free-to-use Internet Relay Chat (IRC) client.
2.6
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Radmin Communication Server
Tool allowing multiple users to communicate in real-time.
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IRC Explorer
FREE, easy to use, IRC (Internet Relay Chat) client.
FREE