I use matrix-appservice-irc, mautrix-{googlechat,telegram,whatsapp} and mx-puppet-discord. I don't use Discord all that much and I just bridge a few specific r

I use matrix-appservice-irc, mautrix-{googlechat,telegram,whatsapp} and mx-puppet-discord. I don't use Discord all that much and I just bridge a few specific rooms I'm interested in, but I think you can bridge entire servers at once as well.