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MindMeister alternatives · Whiteboards

Open-source alternatives to MindMeister

MindMeister is not described as open source on its own site. 6 of the 61 other whiteboard and mind map tools in this directory are open source, according to their own sites.

MindMeister has a free plan. Paid plans start at €6.50 per user / month, billed yearly. All of them are free or have a free plan.

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

How each one differs from MindMeister

  1. Freeplane

    Free, open source mind mapping app for the desktop

    • Freeplane is free. MindMeister starts at €6.50 per user / month, billed yearly.
    • Only Freeplane lists Windows, macOS and Linux apps.
    • Only MindMeister lists a web app.
    • Only MindMeister lists iOS and Android apps.
    Freeplane vs MindMeisterFreeplane pricing and details

  2. draw.io

    Free diagram editor that saves files to storage you choose

    • draw.io is free. MindMeister starts at €6.50 per user / month, billed yearly.
    • Only draw.io lists macOS, Windows and Linux apps.
    • Only MindMeister lists iOS and Android apps.
    • draw.io is open source and self-hostable, according to its own site.
    draw.io pricing and details

  3. Excalidraw

    Open-source whiteboard for hand-drawn style sketches and diagrams

    • Excalidraw starts at $6 per user / month, billed annually. MindMeister starts at €6.50 per user / month, billed yearly.
    • Only MindMeister lists iOS and Android apps.
    • Excalidraw is open source, self-hostable and end-to-end encrypted, according to its own site.
    • Excalidraw also covers whiteboard and diagrams.
    Excalidraw pricing and details

  4. Flowchart Fun

    Text-based flowchart maker that draws diagrams as you type

    • Flowchart Fun starts at $2 per month (billing basis not stated). MindMeister starts at €6.50 per user / month, billed yearly.
    • Only MindMeister lists iOS and Android apps.
    • Flowchart Fun is open source, according to its own site.
    • Flowchart Fun also covers diagrams.
    Flowchart Fun pricing and details

  5. PlantUML

    Draw UML and other diagrams from plain-text descriptions

    • PlantUML is free. MindMeister starts at €6.50 per user / month, billed yearly.
    • Only PlantUML lists a browser extension.
    • Only MindMeister lists iOS and Android apps.
    • PlantUML is open source, according to its own site.
    PlantUML pricing and details

  6. OpenBoard

    Free open-source interactive whiteboard software for classrooms

    • OpenBoard is free. MindMeister starts at €6.50 per user / month, billed yearly.
    • Only OpenBoard lists Windows, macOS and Linux apps.
    • Only MindMeister lists a web app.
    • Only MindMeister lists iOS and Android apps.
    OpenBoard pricing and details

Common questions

Is there an open-source alternative to MindMeister?

Yes. Freeplane, draw.io, Excalidraw, Flowchart Fun, PlantUML and OpenBoard are open source, according to their own sites.

Is MindMeister open source?

MindMeister is not described as open source on its own site. The listing was checked on Oct 9, 2026 against the pages it cites.

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 MindMeister: the alternatives its listing names first, then the tools that share the most features with it.