9 open-source Design vendors
Open-source software for Design that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 9
- European
- 8
- last checked
- 10 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100darktableGermany · Self-hosted / open sourceOpen-source RAW workflow tool.
- Sovereignty score 94 out of 100ExcalidrawCzechia · EU sovereignOpen-source virtual whiteboard for sketches and diagrams
- Sovereignty score 94 out of 100GIMPGermany · Self-hosted / open sourceOpen-source image editor.
- Sovereignty score 94 out of 100InkscapeGermany · Self-hosted / open sourceOpen-source vector editor.
- Sovereignty score 94 out of 100KritaNetherlands · Self-hosted / open sourceDutch-led open-source painting/editor.
- Sovereignty score 94 out of 100PenpotSpain · EU sovereignOpen-source design and prototype platform as an alternative to Figma
- Sovereignty score 94 out of 100RawTherapeeHungary · Self-hosted / open sourceOpen-source RAW processing tool.
- Sovereignty score 94 out of 100Sweet Home 3DItaly · Self-hosted / open sourceOpen-source application for floor plans and 3D interior design, developed since 2024 by Italy's Space Mushrooms in Milan.
- Sovereignty score 57 out of 100diagrams.netUnited Kingdom · Non-EU vendorOpen-source diagram tool (formerly draw.io) for technical and business diagrams
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