Jack Dorsey has unveiled Buzz, a workplace group chat platform that aims to challenge established tools like Slack and GitHub. The app, announced Tuesday, integrates human users and AI agents into shared conversations, marking a significant push from the Block co-founder into team collaboration software. Main Developments Buzz is built by Dorsey's company Block, which also owns Square, Cash App, Afterpay, and Tidal. Dorsey described the platform on X as model-agnostic, decentralized, self-sovereign, and open source, positioning it as a way to reduce dependency on existing collaboration tools. Background Dorsey, who co-founded Twitter and Block, has a history of launching products that challenge dominant platforms. Buzz appears to be more than a passion project, as its website indicates it was developed by Block's existing team and infrastructure. Read also: AI Drives Entertainment Apps Toward Universal Content Hubs Why It Matters Buzz enters a market dominated by Slack and GitHub, offering a decentralized, open-source alternative that could appeal to teams seeking more control over their communication tools. The integration of AI agents directly into group chats signals a shift toward AI-native workplace software. What's Next Block has not announced a public release date or pricing for Buzz. The platform's success will depend on adoption by teams willing to move away from entrenched tools like Slack and GitHub.