Credits
Licenses and Sources
Where everything on this site comes from, and the terms it is used under.
Last updated
Original content made for this site
| Asset | Licence | Notes |
|---|---|---|
| 12 library patterns | CC BY 4.0 | Original digital designs; previews generated from the pattern data. |
| Hearth Block alphabet | CC0 1.0 | Drawn stitch by stitch as editable data |
| Sprig Mini alphabet | CC0 1.0 | Drawn stitch by stitch as editable data |
| Ribbon Rounded alphabet | CC0 1.0 | Hearth Block (Scale2x/EPX doubling, with editable per-glyph overrides) |
| Ornaments (heart, leaf, star, diamond, sprig) | CC0 1.0 | Drawn for this site. |
| Chart symbols | CC0 1.0 | Geometric vector shapes defined in code; no symbol font is used. |
| Pixel-art samples | CC BY 4.0 | Rendered from the library patterns. |
| Example charts on tool pages | — | Real output of this converter from the sample photos below. |
| Guides and site text | © site operator | Written for this site. |
Photographs
The following photos are from Pixabay and used under the Pixabay Content License (free use, attribution not required; not to be redistributed as stand-alone files). Sources verified on October 8, 2026.
- Red tulips (sample photo): https://pixabay.com/photos/tulip-nature-flower-bouquet-3104640/
- Rainbow lorikeets (sample photo): https://pixabay.com/photos/rainbow-lorikeets-parrots-pair-686100/
- Lighthouse (sample photo): https://pixabay.com/photos/lighthouse-shore-coast-water-820431/
- Coffee cup (sample photo): https://pixabay.com/photos/coffee-milk-coffee-beans-563800/
- A needle pulling brown thread through a partly stitched cross-stitch design on white Aida fabric: https://pixabay.com/photos/embroidery-cross-stitch-needlework-4781061/
- Small cross-stitch pieces of a cat and a fox beside spools of embroidery floss and felt owls: https://pixabay.com/photos/handwork-embroidery-2943250/
Fonts used by the website
- Fraunces (variable), © The Fraunces Project Authors, SIL Open Font License 1.1. Self-hosted.
- Source Sans 3, © Adobe, SIL Open Font License 1.1. Self-hosted.
- PDF exports use the standard Helvetica font built into PDF readers; no font file is embedded.
Colours
Chart colours are custom RGB values derived from your image or chosen by you, with descriptive names generated by the site. No thread manufacturer’s colour table is included, because we have not found colour data whose licence clearly permits this use, and inventing brand codes would be misleading. Branded thread matching is therefore disabled. Perceptual colour distances use the OKLab colour space described by Björn Ottosson.
Open-source software
| Library | Licence | Used for |
|---|---|---|
| Astro | MIT | Building the website |
| React and React DOM | MIT | Interactive tools |
| pdf-lib | MIT | PDF export in the browser |
| Zod | MIT | Validating project files and content |
| @astrojs/sitemap, @astrojs/react | MIT | Sitemap and React integration |
The homepage’s magnetic buttons and count-up numbers are dependency-free adaptations of the Magnet and CountUp components from React Bits (MIT + Commons Clause, © David Haz).
Development-only tools (testing, image processing and deployment) are listed with their licences in the project repository’s docs/data-and-licenses.md.