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    Pricing

    One plan. Priced in bytes.

    Zinn is an Experimental kanban CLI for you and your agents.

    It is MIT licensed, so there is no monetary charge. You don't have to create an account, or find a seat for you and your team to sit on. You still pay, the way you pay for all free software: in download, disk, memory, time, output, electricity and your internet bill. This page is the bill.

    npm i -g @zinn-dev/cli

    Billed by download

    1.4 MB

    1,394,087 B | compressed packages, with dependencies

    226 KB is Zinn16.2% of the download

    Packages, to scale. A drop's area is its bytes. Click to separate them, click again to run them back together.

    What you pay, in order

    From install to doing nothing.

    1.4 MB

    Over your connection, once per update. 1,394,087 B of compressed packages.

    Step 1 of 4

    Usage calculator

    What a project of your size costs.

    100

    Marks are measured. Figures between them are interpolated. An empty database is 123 KB. In large projects, a task adds about 1.6 KB and a comment about 1.3 KB.Each task command also appends about 370 B to a local usage record, up to 100 MB and kept 90 days. Telemetry settings turn it off.

    Database
    471 KB
    List time
    0.12 s
    List memory
    82 MB
    List output
    6.6 KB
    As JSON
    71.5 KB

    Running costs

    What an agent has to read.

    One dot is 66 B, the output of task create.

    Output
    6.6 KB
    Memory
    82 MB
    Time
    0.12 s
    Electricity
    0.21 mWh

    38 MB of that memory and 0.06 mWh of that electricity is Node itself. Estimated processor energy above idle, on an M4 MacBook Pro.

    Compare plans

    All one of them.

    FeatureZinnMost popular
    Monetary chargeNone
    LicenseMIT
    AccountsNone to create
    SeatsNone to find
    AgentsBring your own
    RenewalUpdates, when you want them
    Annual discountNothing to discount
    Your dataOn your machine

    Usage to date

    This page isn't free either.

    Usage to date · live1 s tick · read in the browser
    Transferred0 requests
    0 B
    from cache 0 B at full size · unpacked 0 B
    By kindbytes
    • Document0 B
    • Scripts0 B
    • Styles0 B
    • Fonts0 B
    • Images0 B
    • Other0 B
    sum 0 B
    Canvas workframes
    0
    elements 0 · canvases 0 · frames drawn on this page
    Time on this pageopen / visible
    00:00/ 00:00
    visible counts only while the tab is in front
    Main threadblocked
    0 ms
    LCP readingCLS reading
    Memorybrowser reading
    reading
    Requestswaterfall
    0 ms0 ms

      Read from your browser, on your machine, and sent nowhere. Includes only what this page has loaded.

      Frequently asked questions

      Can I cancel anytime?

      Yes.

      npm uninstall -g @zinn-dev/cli

      Uninstalling leaves your data in place, in the Zinn directory.

      Is there a free trial?

      You are free to try, and encouraged to keep using it.

      Do you offer annual billing?

      Billing happens when you update, and you choose when.

      npm i -g @zinn-dev/cli@latest
      What are the overage charges?

      Commands cost more as a project grows. Listing 10,000 tasks takes 3.70 seconds and 188 MB. The calculator above has the other sizes.

      Do you offer refunds?

      You can uninstall and your lost disk bytes come back. Memory already comes back every time a command exits. The electricity does not come back.

      Does it cost anything when I am not using it?

      No. Zinn runs only when you call it. No background process, no memory, no writes.

      Enterprise

      Same plan. Same bytes.

      Contact sales

      Measured with CLI 0.44.0 and the packages it installs. Memory and time are medians of five runs on Node 26.13.0, macOS arm64. Each task has a 40-character title, a 200-character description and one 200-character comment.

      CLI 0.44.0 checksum sha512-dUxF1gS3EVUTdJqNsrNiaCQvLiQlO/9dGvOjuGzy9rleK6vBBeABH0yWIsPeMz7ggKs/OW/BPkKHl2PSZMGRZA==npm view @zinn-dev/cli@0.44.0 dist.integrity