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MindNode alternatives · Whiteboards

Open-source alternatives to MindNode

MindNode 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.

MindNode has a free plan. Paid plans start at $2.99 per month, or $24.99 per year. 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 MindNode

  1. draw.io

    Free diagram editor that saves files to storage you choose

    • draw.io is free. MindNode starts at $2.99 per month, or $24.99 per year.
    • Only draw.io lists a web app.
    • Only draw.io lists Windows and Linux apps.
    • Only MindNode lists an iOS app.
    draw.io pricing and details

  2. Excalidraw

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

    • Excalidraw starts at $6 per user / month, billed annually. MindNode starts at $2.99 per month, or $24.99 per year.
    • Only Excalidraw lists a web app.
    • Only MindNode lists macOS and iOS apps.
    • Excalidraw is open source and self-hostable, according to its own site.
    Excalidraw pricing and details

  3. Freeplane

    Free, open source mind mapping app for the desktop

    • Freeplane is free. MindNode starts at $2.99 per month, or $24.99 per year.
    • Only Freeplane lists Windows and Linux apps.
    • Only MindNode lists an iOS app.
    • Freeplane is open source, according to its own site.
    Freeplane 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). MindNode starts at $2.99 per month, or $24.99 per year.
    • Only Flowchart Fun lists a web app.
    • Only MindNode lists macOS and iOS apps.
    • Flowchart Fun is open source, according to its own site.
    Flowchart Fun pricing and details

  5. PlantUML

    Draw UML and other diagrams from plain-text descriptions

    • PlantUML is free. MindNode starts at $2.99 per month, or $24.99 per year.
    • Only PlantUML lists a web app.
    • Only PlantUML lists a browser extension.
    • Only MindNode lists macOS and iOS apps.
    PlantUML pricing and details

  6. OpenBoard

    Free open-source interactive whiteboard software for classrooms

    • OpenBoard is free. MindNode starts at $2.99 per month, or $24.99 per year.
    • Only OpenBoard lists Windows and Linux apps.
    • Only MindNode lists an iOS app.
    • OpenBoard is open source, according to its own site.
    OpenBoard pricing and details

Common questions

Is there an open-source alternative to MindNode?

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

Is MindNode open source?

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