What i found so far was this

GitHub

GitHub - mattn/algia: A cli application for nostr

A cli application for nostr. Contribute to mattn/algia development by creating an account on GitHub.

written in go. I assume that with go installed, i can install this too. If you find something else you can inform me, i always like cli staff. Also another question. Is there a minimal relay for offline use with raspberry pi zero or even with termux? If you know...