Block co-founder Jack Dorsey announced Buzz, an open-source team communication platform built on the Nostr decentralized protocol. The new application positions itself as an alternative to centralized workplace tools like Slack, supporting both human teams and AI agents in a single workspace.
Platform Features and Technical Foundation
Buzz operates as "model-agnostic, decentralized, self-sovereign, and open source" software, according to Dorsey's announcement on X. The platform integrates team chat functionality with project management, coding capabilities, and pull request workflows within a unified interface.
Built on the Nostr protocol, Buzz allows users to collaborate with teammates and specialized AI agents while maintaining data sovereignty. Block emphasized that the platform's interface resembles existing team communication tools, lowering the barrier to adoption for organizations transitioning from proprietary solutions.
Bradley Axen, who leads AI capabilities at Block, framed the platform as addressing a fundamental choice facing companies. "Every company is going to need a place where humans and agents work together," Axen stated. "The question is whether that place is proprietary or open."
Implications for Tech Teams and Blockchain Professionals
The launch represents Dorsey's continued focus on decentralized infrastructure following his departure from Twitter in 2021. Block's ecosystem, which includes Square and Cash App, has integrated Bitcoin payment capabilities and previously released open-source Bitcoin mining hardware with modular components.
For web3 professionals and development teams, Buzz offers an option aligned with decentralization principles while addressing practical workflow needs. The platform's integration of AI agent collaboration reflects growing industry trends around autonomous systems working alongside human teams.
Organizations prioritizing data sovereignty and open-source tooling may find Buzz particularly relevant as workplace communication increasingly involves both human collaborators and AI systems. The platform's success will likely depend on developer adoption and the strength of the Nostr ecosystem supporting its infrastructure.


