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

What happened

Jack Dorsey's Block released Buzz, a free, open‑source workspace built on the Nostr protocol that lets AI agents have cryptographic identities and competes with Slack and GitHub.

Confirmed

Global impact / market context

Buzz introduces a decentralized, free alternative for team collaboration, potentially lowering costs for developers and encouraging broader use of AI agents with secure identities, which could shift how software projects are managed.

Analyst inference

Open‑source collaboration tools are gaining attention as developers look for alternatives to large, proprietary platforms, especially those that can integrate AI agents and decentralized identity.

Analyst inference

What to watch

1. Adoption rates of Buzz by developer teams, which will indicate whether the platform can attract users away from established tools. Analyst inference
2. Growth of AI‑agent activity on Nostr, showing how the cryptographic identity model supports automated workflows. Analyst inference
3. Responses from Slack and GitHub, such as feature updates or pricing changes, that could be triggered by competition from an open‑source alternative. Analyst inference

Evidence

• decrypt.co