Learn about the protocol

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Nostr.how – A comprehensive guide to all things Nostr. Including step-by-step setup guides and details on clients, relays, and NIPs.
Nostr.com – Learn about Nostr: A simple, open protocol that enables a truly censorship-resistant and global social network.
NostrExplained.com – A visual explanation of Nostr and how it works.

Nostr Github – Nostr is notes and other stuff transmitted by relays. View the source code and learn about the protocol at a deeper level.
Nostr NIPS Github – NIPs stand for Nostr Implementation Possibilities. They exist to document what may be implemented by Nostr-compatible relay and client software.
Nostr Dev Kit – The fastest way to build with Nostr.
Nostr Design – Comprehensive resources and guide to help you design better clients.
Nostr Workshop – View Super Testnet's Nostr Workshop videos and learn how to build a nostr app, how to connect and listen for messages, and more.

Why Nostr Matters by Jameson Lopp – Nostr is a new protocol for censorship resistant speech and social sharing. It has great potential but has plenty of challenges to overcome.
Nostr Ensures a Free Internet for the Future by Trey Walsh – Nostr is an emerging open-source tool that can ensure free communication without censorship from Big Tech corporations or governments.
Why We Need Nostr – Why Nostr and the broader idea of decentralizing the internet is an important concept.
Your Guide to Nostr by Roger Huang – Your guide to Nostr - the decentralized network for everything!
Nostr Series - Part 1 by Michael Stewart – A gentle introduction into the Nostr protocol.
An introduction to the protocol by Cristian Olaru – Nostr's Mission: Restoring the Promise of the Free and Open Internet
3-Minute Nostr Guide by Denostr – A 3-minute guide to Nostr, the open social protocol backed by Jack Dorsey.
Introducing Nostr: The Free Speech Protocol by Sovereign Matt – An introduction to the what, how and why of Nostr with regards to free speech.
Why I Am Already a Nostr Maximalist by Source Node – Nostr may not be perfect, but it does represent a massive improvement over existing centralized platforms when it comes to data and identity ownership.
What is Nostr by plebpoet – Nostrs basic concepts explained.