Posted Jul 21, 2026 at 7:43 PM UTC
Jack Dorsey made an open-source Slack for humans and agents.
Block’s new open-source app “Buzz” is a self-hosted Slack-meets-GitHub built on a Nostr relay. I don’t have enough characters to explain what that all means, but think of it like a private Slack alternative. Oh, and you can vibe-code in it.
Image credit: Buzz
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