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Top Open Source Whiteboarding Tools in 2026

A curated collection of the 4 best free and open-source Whiteboarding tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Tldraw

    Free instant collaborative whiteboard for all devices

    Stars
    49,987
    Last commit
    10d ago
    License
    Open Source

  • Graphite

    A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.

    Stars
    26,944
    Last commit
    12d ago
    License
    Apache-2.0

  • Excalidraw

    Virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a distinctive hand-drawn look. Real-time collaboration built in.

    Stars
    130,623
    Last commit
    11d ago
    License
    MIT

  • Affine

    Open-source Notion & Miro alternative with docs, whiteboards, databases, and AI in one local-first workspace

    Stars
    71,941
    Last commit
    10d ago
    License
    Open Source
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Showing 4 of 4 open-source tools