Is Nostr open source?

Yes. Nostr is open source. Its source code is on GitHub at nostr-protocol/nostr.

Yes. Nostr is open source, so the software itself is free to use.

Can I self-host Nostr?

Yes. Nostr can be self-hosted on your own server or infrastructure.

What is Nostr an alternative to?

Nostr is an open-source alternative to X (Twitter). Other open-source alternatives to X (Twitter) include Mastodon, Bluesky and Misskey.

Is Nostr actively maintained?

The most recent commit to Nostr was on 27 June 2025, and the latest release is 0.0.0, published on 27 December 2020. The project has 12k stars on GitHub.

Nostr: open-source alternative to X (Twitter)

About Nostr

a truly censorship-resistant alternative to Twitter that has a chance of working

Tags: nostr

Nostr: questions and answers

What is Nostr?: Nostr is an a truly censorship-resistant alternative to Twitter that has a chance of working.
Is Nostr open source?: Yes. Nostr is open source. Its source code is on GitHub at nostr-protocol/nostr.
Is Nostr free?: Yes. Nostr is open source, so the software itself is free to use.
Can I self-host Nostr?: Yes. Nostr can be self-hosted on your own server or infrastructure.
What is Nostr an alternative to?: Nostr is an open-source alternative to X (Twitter). Other open-source alternatives to X (Twitter) include Mastodon, Bluesky and Misskey.
Is Nostr actively maintained?: The most recent commit to Nostr was on 27 June 2025, and the latest release is 0.0.0, published on 27 December 2020. The project has 12k stars on GitHub.