Keet isn't open source, is it? I'll wait for confirmation on that, but it does sound cool. Definitely watching it.

nostr:nprofile1qqsvnx99ww0sfall7gpv2jtz4ftc9v6wevgdd7g4hh7awkpfvwlezugpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtc2y9nz4 works well for me and I can self-host on nostr:nprofile1qqs9df4h2deu3aae83fmet5xmrlm4w5l9gdnsy3q2n7dklem7ezmwfcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq5xamn8ghj7dnvv45xs7tywde8g6rpvakkjuekw46nvar4vdhxgan6wumkxatzwpckk6rk0puhjdm2da5k7ce5x4kkkumjx3jkzepwdahxjmmwqyt8wumn8ghj7un9d3shjtnwdaehgu3wd9hxvmckqw0xz if I need to. 

I dish out incognito profiles to pretty much everyone, then change their display name to keep track. 

I have successfully backed up and restored to a new phone, also. That went so smoothly that it scared me. 

Calls sound good with a little manageable latency. 

iOS users have had some weird issues with notifications and uploading files, but nothing permanent or serious. 

I had an issue once with groups and messaged the team. They replied right back with some troubleshooting questions and guidance.