Posted Jul 21, 2026 at 7:43 PM UTCDDavid ImelJack 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: BuzzFollow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.David Imel
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: https://platform.theverge.com/wp-content/uploads/sites/2/2026/07/Buzz-screenshot-1.png?quality=90&strip=all]
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