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SmartDraw alternatives · Whiteboards

Open-source alternatives to SmartDraw

SmartDraw 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.

SmartDraw is a paid product with a free trial, starting at $10.95 per month, billed annually ($7.95 intro price for new customers). 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 SmartDraw

  1. draw.io

    Free diagram editor that saves files to storage you choose

    • draw.io is free. SmartDraw starts at $10.95 per month, billed annually ($7.95 intro price for new customers).
    • draw.io has a free plan. SmartDraw does not, though it has a free trial.
    • Only draw.io lists macOS, Windows and Linux apps.
    • draw.io is open source and self-hostable, according to its own site.
    draw.io vs SmartDrawdraw.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. SmartDraw starts at $10.95 per month, billed annually ($7.95 intro price for new customers).
    • Excalidraw has a free plan. SmartDraw does not, though it has a free trial.
    • Excalidraw is open source, self-hostable and end-to-end encrypted, according to its own site.
    • SmartDraw also covers templates and mind mapping.
    Excalidraw pricing and details

  3. Freeplane

    Free, open source mind mapping app for the desktop

    • Freeplane is free. SmartDraw starts at $10.95 per month, billed annually ($7.95 intro price for new customers).
    • Freeplane has a free plan. SmartDraw does not, though it has a free trial.
    • Only Freeplane lists Windows, macOS and Linux apps.
    • Only SmartDraw lists a web app.
    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). SmartDraw starts at $10.95 per month, billed annually ($7.95 intro price for new customers).
    • Flowchart Fun has a free plan. SmartDraw does not, though it has a free trial.
    • Flowchart Fun is open source, according to its own site.
    • SmartDraw also covers whiteboard and templates.
    Flowchart Fun pricing and details

  5. PlantUML

    Draw UML and other diagrams from plain-text descriptions

    • PlantUML is free. SmartDraw starts at $10.95 per month, billed annually ($7.95 intro price for new customers).
    • PlantUML has a free plan. SmartDraw does not, though it has a free trial.
    • Only PlantUML lists a browser extension.
    • 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. SmartDraw starts at $10.95 per month, billed annually ($7.95 intro price for new customers).
    • OpenBoard has a free plan. SmartDraw does not, though it has a free trial.
    • Only OpenBoard lists Windows, macOS and Linux apps.
    • Only SmartDraw lists a web app.
    OpenBoard pricing and details

Common questions

Is there an open-source alternative to SmartDraw?

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

Is SmartDraw open source?

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