The list below isn't meant to be exclusive, it's more so a collection of links that have helped me out along the way (and can hopefully help you). As you'll see, I've focused on JavaScript, React, and ...

NNostr.Client - a C# Nostr library for use by clients. nostr-tools - a JavaScript client that abstracts the relay management code for use by clients. nostr-relaypool-ts - a TypeScript relay pool ...