Yes, I'm using nostr:nprofile1qqs9df4h2deu3aae83fmet5xmrlm4w5l9gdnsy3q2n7dklem7ezmwfcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq5xamn8ghj7dnvv45xs7tywde8g6rpvakkjuekw46nvar4vdhxgan6wumkxatzwpckk6rk0puhjdm2da5k7ce5x4kkkumjx3jkzepwdahxjmmwqyt8wumn8ghj7un9d3shjtnwdaehgu3wd9hxvmckqw0xz and self-hosting a nextcloud client on it. It is super easy. Highly recommend it, Start9 is amazing. So far it works by default over Tor only so it's a bit slow, but the team plans to add other options soon, and I heard that it's possible to connect remotely via Tailscale but I don't know how that works yet