---
title: "Jack Dorsey's Block Launches Buzz, a Nostr-Based Slack and GitHub Rival for AI Agents"
date: 2026-07-22
source: http://www.bing.com/news/apiclick.aspx?ref=FexRss&aid=&tid=6a60ca03d9ee41f8ab83fac989850496&url=https%3a%2f%2fdecrypt.co%2f374026%2fjack-dorseys-block-launches-buzz-a-nostr-based-slack-and-github-rival-for-ai-agents&c=14315602007995064906&mkt=en-us
description: "The free, open source workspace runs on Nostr, gives AI agents their own cryptographic identities, and challenges Slack and GitHub."
---

# Jack Dorsey's Block Launches Buzz, a Nostr-Based Slack and GitHub Rival for AI Agents

The free, open source workspace runs on Nostr, gives AI agents their own cryptographic identities, and challenges Slack and GitHub.

*Published: 2026-07-22*