Licenses
This site is built on excellent open-source software. Thank you to their authors.
Libraries
| Package | Version | License | Used for |
|---|---|---|---|
| Next.js | 16.4.6 | MIT | Web framework |
| React / React DOM | 19.3.0 | MIT | User interface |
| PDF.js (pdfjs-dist) | 6.5.438 | Apache-2.0 | Reading and rendering PDFs |
| pdf-lib | 1.17.1 | MIT | Creating and editing PDFs |
| @pdf-lib/standard-fonts, @pdf-lib/upng | 1.x | MIT | pdf-lib dependencies |
| pako | 1.0.11 | MIT AND Zlib | Compression (pdf-lib dependency) |
| docx | 9.15.3 | MIT | Writing Word documents |
| mammoth | 1.13.0 | BSD-2-Clause | Reading Word documents |
| fflate | 0.8.3 | MIT | ZIP archives |
| qrcode | 1.5.4 | MIT | QR code generation |
| Lucide icons | 1.71.0 | ISC | Icons |
| Tailwind CSS | 4.3.3 | MIT | Styling |
Fonts
Fonts are self-hosted with the site (no requests to font services at runtime).
| Font | License | Used for |
|---|---|---|
| Inter | SIL Open Font License 1.1 | Interface text |
| JetBrains Mono | SIL Open Font License 1.1 | File sizes and numbers |
| Caveat | SIL Open Font License 1.1 | Typed signatures |
| Dancing Script | SIL Open Font License 1.1 | Typed signatures |
PDF files created with standard PDF fonts (Helvetica, Courier) rely on the viewer's built-in fonts; no font files are embedded for them.