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Best FOSS Local Messenger Service?
(beehaw.org)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
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I've set up an XMPP server a few years ago. It worked beautifully!
XMPP sounds great, but I heard it has difficulty with file transfer. How was your experience with it?
I've not used it as FTP as it wasn't built for that. It was, however, brilliant for messaging. In regards to some comment below about the domain - you could always spin up a little unbound instance (+wireguard for your own stuff everywhere).