What are the best resources for exploring nostr? What are some of the best websites for getting started with nostr? Where should I send Norm to onboard?

Code repository for the protocol itself https://github.com/nostr-protocol

Editable public encyclopedic summary https://en.wikipedia.org/wiki/Nostr

Overview Summaries / Get Started onboarding / Recommendations for starter clients & apps https://nosta.me/ https://nostr.com/ https://nostr.how/en/what-is-nostr https://nostr.info/ https://usenostr.org/ https://nostr-resources.com/

Apps Directories https://www.nostrapps.com/

Nostr Profile and Relay Directories & Stats https://nostr.directory/ https://nostr.band/ https://nostr.watch/relays/find

Can't much edit the above myself as you all add your recommendations, but this list ought to be copy and pasteable and useful for sending along.