AI writes the code. You own the plan.

Your AI ships more in a day than you used to in a week. Planboard is where you keep up with it: map the system on one board, work through the details with an AI that draws alongside you, and keep every decision yours.

Know your system at every depth.

AI-written code piles up fast, and it's easy to lose track of how it all fits. Keep the big picture on one board, then open any box, like "Checkout", to plan the steps inside. Go as deep as the work goes, and step back up with Esc.

It speaks system design.

28 shapes for what real systems are made of, from databases and queues to gateways and users, so you and your AI are talking about the same thing. Press S on the board and pick one.

    Rearrange as fast as the plan changes.

    Plans move as quickly as the code does. Drag a shape and its arrows find a new route round everything else, keep clear of each other, and take a label like Yes or No with a double-click.

    Plan with your AI, not after it.

    Talk the plan through in the chat and watch it land on your board. Then read it, move it and change it. The AI suggests, and you decide what gets built.

    • Bring your own model: Anthropic, OpenAI, OpenRouter, or Ollama on your own machine. Your key never leaves your browser.
    • Your coding agent can read the plan before it writes a line. Claude Code and other assistants connect over MCP.
    • Edits from you, your tabs and your agents show up live, and undo only takes back yours.

    Saves as you go

    Every edit is saved in the background. Nothing to lose, nothing to press.

    Organised like your work

    A project for each codebase and a topic for each feature, so every plan sits next to the work it's for.

    Yours to keep

    Export any board with every layer inside, to back it up, share it or hand it to an agent.

    Pencilled in

    What's being built next, in order.

    1. Accounts and invites

      Sign up with an invite and get a workspace that's only yours.

    2. Planboard on the web

      Open it from a link, on any computer, with nothing to install.

    3. AI with no key needed

      A built-in model to plan with, for anyone who doesn't have an API key.

    4. Plans to tickets

      Turn a board into issues in GitHub, GitLab or Jira, ready for you or your agent to pick up.

    Keep up with your AI. Start with the plan.

    Start planning