A wishlist of IRC networks to be bridged is being collected in a github issue.

Network NameRoom alias formatAppservice userRoom for SupportOperator
darkfasel#channame:darkfasel.net@IRC-Darkfasel:darkfasel.net#darkfasel:darkfasel.netdarkfasel
fc00#fc00-irc_#channame:m.trnsz.com@fc00ircmtx:m.trnsz.comNone
GIMPNet1#_gimpnet_#channame:gnome.org@gimpnet-irc:gnome.org2#irc:matrix.orgMatrix.org / Gnome.org
IRCnet#_ircnet_#channame:irc.snt.utwente.nl@ircnet:irc.snt.utwente.nl#ircnet:utwente.ioSNT
OFTC#_oftc_#channame:matrix.org@oftc-irc:matrix.org#irc:matrix.orgMatrix.org
PirateIRC#pirateirc_#channame:diasp.in@pirateirc:diasp.in#diasp.in:diasp.inIndian Pirates
Snoonet#_snoonet_#channame:matrix.org@snoonet-irc:matrix.org#irc:matrix.orgMatrix.org
Tweakers.net#_tweakers_#channame:irc.snt.utwente.nl@tweakers:irc.snt.utwente.nl#tweakers-irc:utwente.ioSNT
irchighway#irchighway_#channame:eggy.cc@appservice-irc:eggy.cc#eggster:eggy.ccEggy
W3C#_w3c_#channame:matrix.org@w3c-irc:matrix.org#irc:matrix.orgMatrix.org
libera.chat#channame:libera.chat@appservice:libera.chat#libera-matrix:libera.chatMatrix.org
LibertaCasa#channame:liberta.casa@lunatic:liberta.casa#help:liberta.casaLibertaCasa
hackint#channame:hackint.org@appservice-irc:hackint.org#hackint:hackint.orghackint
  • Random.sh is no longer contactable. Status of the bridge is unknown.
  • Foonetic IRC has shut down. #xkcd channels moved to slashnet
  • The Espernet bridge was shut down after the 2019 matrix.org network breach.
  • The Moznet IRC network has been shut down. They now run their own Matrix homeserver at chat.mozilla.org 🎉
  • The freenode IRC bridge offically was shut down on 2021-12-20.

Footnotes

1

This includes both irc.gimp.org and irc.gnome.org, as they are the same thing.

2

The bridge has moved from matrix.org to gnome.org.