ThunderIRC is part of the IRCNow federation of servers that provide services for the free and open source community.
The services we provide:
ZNC - an IRC bouncer
Our own DNS server, just add it’s IP where you need it
Our wiki - https://wiki.thunderirc.net
You can join us on IRC at channel #thunderirc on the IRCNow network (irc.thunderirc.net, port 6667 without TLS or 6697 with TLS).