Important addresses:

IRC address: ircs://irc.madirc.net
WebIRC address: https://webclient.madirc.net
Mumble address: https://mumble.madirc.net
Bouncer address: https://stayat.madirc.net
Tor address: http://wbi67emmdx6i6rcr6nnk3hco3nrvdc2juxrbvomvt6nze5afjz6pgtad.onion
Status: https://status.madirc.net
Source code: https://git.shivering-isles.com/MadIRC

The maybe most confusing IRC network ever.