That might work for a while, but running out of date software seems like a bad idea.
I'd agree with the exception of Rocket.Chat. I hosted an instance for years. Over that time, basic features kept slipping behind a paywall despite being "open source," and fully self hosted. It's fully nagware at this point.
I had my whole group of friends and family jump to Matrix a year ago. Instead of basic features becoming paid features... there are no features!
Edit: I re-read your comment. Yes, RC "requires check-in." My bad.
Whoa, mate. You dropped these: ["?", ",", ".", ".", ".", ",", ".", ".", ",", ".", ".", ".", "?","." ].
Nope. I'm running three Pies and a custom UNRAID build.
Share the loooaaaaad.
Pi 5 with a 1TB NVMe strapped to it. Pixelfed, so far, is sipping resources; Mastodon, on the other hand....
I've doubled my server load from one user.... to two.