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Mermaid alternatives · Whiteboards

Alternatives to Mermaid with a one-time purchase

The Mermaid listing shows no one-time purchase. 7 of the 61 other whiteboard and mind map tools in this directory can be bought with a one-time purchase.

Mermaid has a free plan. Paid plans start at $10 per user / month, billed annually ($120 a year). 2 of them are free or have a free plan.

7 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Mermaid

  1. EdrawMind

    Mind mapping and diagram software with AI tools

    • EdrawMind starts at $35.10 per 6 months (semi-annual), $53.10 per year. Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Mermaid has a free plan. EdrawMind does not, though it has a free trial.
    • Only EdrawMind lists Windows, macOS, Linux, iOS and Android apps.
    • EdrawMind can be bought with a one-time purchase.
    EdrawMind pricing and details

  2. Visual Paradigm

    Desktop and online modeling suite for UML, BPMN and architecture

    • Visual Paradigm starts at $6 per month (Modeler edition, subscription). Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Only Visual Paradigm lists macOS, Windows and Linux apps.
    • Visual Paradigm can be bought with a one-time purchase.
    • Visual Paradigm also covers mind mapping.
    Visual Paradigm pricing and details

  3. Microsoft Visio

    Diagramming software for flowcharts, org charts and floor plans

    • Microsoft Visio starts at $5.00 per user / month, paid yearly (Visio Plan 1). Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Mermaid has a free plan. Microsoft Visio does not, though it has a free trial.
    • Only Microsoft Visio lists a Windows app.
    • Microsoft Visio can be bought with a one-time purchase.
    Microsoft Visio pricing and details

  4. MindManager

    Mind mapping and diagramming software with Gantt charts

    • MindManager starts at $99 per user / year (Essentials, web only). Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Mermaid has a free plan. MindManager does not, though it has a free trial.
    • Only MindManager lists macOS, Windows, iOS and Android apps.
    • MindManager can be bought with a one-time purchase.
    MindManager pricing and details

  5. OmniGraffle

    Diagramming and vector drawing app for Mac, iPad and iPhone

    • OmniGraffle starts at $59.99 one-time for iPhone and iPad; Mac from $149.99 one-time. Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Mermaid has a free plan. OmniGraffle does not, though it has a free trial.
    • Only OmniGraffle lists macOS and iOS apps.
    • Only Mermaid lists a web app.
    OmniGraffle pricing and details

  6. SimpleMind

    Mind mapping app sold as a one-time purchase per platform

    • SimpleMind starts at $10.99 one-time (iPhone and iPad); $29.99 for Mac or Windows. Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Only SimpleMind lists macOS, Windows, iOS and Android apps.
    • Only Mermaid lists a web app.
    • SimpleMind can be bought with a one-time purchase.
    SimpleMind pricing and details

  7. Scapple

    Freeform mind-mapping app for writers, on Mac and Windows

    • Scapple starts at $20.99 one-time, per platform (macOS or Windows). Mermaid starts at $10 per user / month, billed annually ($120 a year).
    • Mermaid has a free plan. Scapple does not, though it has a free trial.
    • Only Scapple lists macOS and Windows apps.
    • Only Mermaid lists a web app.
    Scapple pricing and details

Common questions

Is there an alternative to Mermaid that you buy once?

Yes. EdrawMind, Visual Paradigm, Microsoft Visio, MindManager, OmniGraffle, SimpleMind and Scapple can be bought with a one-time purchase.

Can you buy Mermaid once instead of subscribing?

The Mermaid listing shows no one-time purchase. The listing was checked on Oct 6, 2026 against the pages it cites.

Which of these whiteboard and mind map tools are free?

Visual Paradigm and SimpleMind are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Mermaid: the alternatives its listing names first, then the tools that share the most features with it.