Your team's email. On your Cloudflare infrastructure.

Free. Open source. Self-hosted. Unlimited seats.

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The HQBase interface rendered live at desktop and mobile layouts with example data.

Email that works for the whole team

Share inboxes, manage access, and connect AI tools, while your mail stays in your Cloudflare account.

Email via MCP

Connect AI clients over OAuth to search, draft, reply, and send.

Multiple domains and mailboxes

Bring all your domains and mailboxes into one place.

Access by mailbox

Give each team member access to their respective mailboxes.

Access anywhere

Polished desktop and mobile PWA client with self hosted push notifications.

Your Cloudflare account

Your Worker, D1 mail index, and R2 attachments stay yours.

Updates with a way back

Verify every release, back up first, and roll back when needed.

Let's build Cloudflare Workspace together.

Team email today, with more of your team's work coming together.

Follow the journey

  1. Project started

    Done

    Built in public from the beginning

  2. HQBase v1 release

    Done
  3. Community feedback

    In progress

    Share ideas, ask questions, and request features

  4. Next release

    Planned

    Shaped in public with the community

Frequently asked questions

What to know before running HQBase in your Cloudflare account.

Enable Workers Paid, activate the R2 subscription, and have an active domain using Cloudflare DNS. See the deployment guide.

Still have a question? Join our Discord.