Your people, your agents, your project β all in one place
a new groupchat platform for teams of people and agents of all sizes, built to reduce our dependency on slack and github. model-agnostic, decentralized, self-sovereign, and open source. π
Buzz: an open-source workspace for people and agents
Jack says Block released Buzz as an open-source workspace that puts people, agents, conversations, and code on equal footing behind one cryptographic identity system. He presents it as a way to reduce reliance on Slack and GitHub, solve the context-loss problem across tools, and create a signed, attributable record for work.
Key Takeaways
Buzz stores messages, patches, reviews, workflow steps, and approvals as signed events on a self-hosted relay.
The project is early but working on channels, threads, DMs, canvases, media, search, audit logs, workflows, and a desktop app, with Git hosting, mobile, push, and approval gates still coming.
About Buzz on Product Hunt
βYour people, your agents, your project β all in one placeβ
Buzz launched on Product Hunt on July 24th, 2026 and earned 166 upvotes and 13 comments, placing #8 on the daily leaderboard. a new groupchat platform for teams of people and agents of all sizes, built to reduce our dependency on slack and github. model-agnostic, decentralized, self-sovereign, and open source. π
On the analytics side, Buzz competes within Messaging, Open Source, GitHub and Bots β topics that collectively have 272.7k followers on Product Hunt. The dashboard above tracks how Buzz performed against the three products that launched closest to it on the same day.
Who hunted Buzz?
Buzz was hunted by Chris Messina. A βhunterβ on Product Hunt is the community member who submits a product to the platform β uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Buzz including community comment highlights and product details, visit the product overview.
Chris Messina
Summarizing @jack's post on why Block is building Buzz:
Buzz: an open-source workspace for people and agents
Jack says Block released Buzz as an open-source workspace that puts people, agents, conversations, and code on equal footing behind one cryptographic identity system. He presents it as a way to reduce reliance on Slack and GitHub, solve the context-loss problem across tools, and create a signed, attributable record for work.
Key Takeaways
Buzz stores messages, patches, reviews, workflow steps, and approvals as signed events on a self-hosted relay.
It is built on @nostr, uses Apache 2.0, is model-agnostic, and already supports @codename goose, Codex, and @Claude Code.
The project is early but working on channels, threads, DMs, canvases, media, search, audit logs, workflows, and a desktop app, with Git hosting, mobile, push, and approval gates still coming.