Nice. Beautiful looking tree. Welcome. Some resources in case you want to check them out

https://nostr.how/ - starter guide

https://usenostr.org/ - starter guide

https://nostr.directory/ - directory to find twitter friends

Damus.io (app for iOS) and Amethyst (app for Android)

https://nostr.band/ - search nostr

Relay.exchange - list of relays

Nostr.wine - great paid relay

https://bountsr.org/ -shape nostr and client features with bounties