To access the room via Free Java Chat Click here and enter #borderline as the Channel name.
Pidgin Used as a multi-messenger, pretty easy to configure and set up.
mIRC Is a common IRC client, free to use, $20 to register. (Optional)
Miranda IM Used as a multi-messenger for multiple platforms, including IRC.

Wikipedia has a helpful list of more clients Here.

To access via a standalone IRC client
Server: irc.wikkedwire.com
Port: 6667
Room name: #borderline

If you already have an IRC client(like mIRC or XCHAT)
Click Here