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MindManager alternatives · Whiteboards

Open-source alternatives to MindManager

MindManager 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.

MindManager is a paid product with a free trial, starting at $99 per user / year (Essentials, web only). 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 MindManager

  1. draw.io

    Free diagram editor that saves files to storage you choose

    • draw.io is free. MindManager starts at $99 per user / year (Essentials, web only).
    • draw.io has a free plan. MindManager does not, though it has a free trial.
    • Only draw.io lists a Linux app.
    • Only MindManager lists iOS and Android apps.
    draw.io pricing and details

  2. PlantUML

    Draw UML and other diagrams from plain-text descriptions

    • PlantUML is free. MindManager starts at $99 per user / year (Essentials, web only).
    • PlantUML has a free plan. MindManager does not, though it has a free trial.
    • Only PlantUML lists a browser extension.
    • Only MindManager lists macOS, Windows, iOS and Android apps.
    PlantUML pricing and details

  3. Excalidraw

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

    • Excalidraw starts at $6 per user / month, billed annually. MindManager starts at $99 per user / year (Essentials, web only).
    • Excalidraw has a free plan. MindManager does not, though it has a free trial.
    • Only MindManager lists macOS, Windows, iOS and Android apps.
    • Excalidraw is open source, self-hostable and end-to-end encrypted, according to its own site.
    Excalidraw pricing and details

  4. Freeplane

    Free, open source mind mapping app for the desktop

    • Freeplane is free. MindManager starts at $99 per user / year (Essentials, web only).
    • Freeplane has a free plan. MindManager does not, though it has a free trial.
    • Only Freeplane lists a Linux app.
    • Only MindManager lists a web app.
    Freeplane pricing and details

  5. Flowchart Fun

    Text-based flowchart maker that draws diagrams as you type

    • Flowchart Fun starts at $2 per month (billing basis not stated). MindManager starts at $99 per user / year (Essentials, web only).
    • Flowchart Fun has a free plan. MindManager does not, though it has a free trial.
    • Only MindManager lists macOS, Windows, iOS and Android apps.
    • Flowchart Fun is open source, according to its own site.
    Flowchart Fun pricing and details

  6. OpenBoard

    Free open-source interactive whiteboard software for classrooms

    • OpenBoard is free. MindManager starts at $99 per user / year (Essentials, web only).
    • OpenBoard has a free plan. MindManager does not, though it has a free trial.
    • Only OpenBoard lists a Linux app.
    • Only MindManager lists a web app.
    OpenBoard pricing and details

Common questions

Is there an open-source alternative to MindManager?

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

Is MindManager open source?

MindManager is not described as open source on its own site. The listing was checked on Oct 6, 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 MindManager: the alternatives its listing names first, then the tools that share the most features with it.