FizzyTools Merge PDF uses these open-source components. Thank you to their authors.

- Svelte (MIT)                       https://github.com/sveltejs/svelte
- @cantoo/pdf-lib (MIT)              https://github.com/cantoo-scribe/pdf-lib
- @cantoo/fontkit (MIT)              https://github.com/cantoo-scribe/fontkit
- pdf.js / pdfjs-dist (Apache-2.0)   https://github.com/mozilla/pdf.js
- UTIF.js (MIT)                      https://github.com/photopea/UTIF.js
- heic-to / libheif (LGPL-3.0)       https://github.com/hoppergee/heic-to
    Shipped unmodified as a separate file: /merge-pdf/vendor/heic-to/ (LICENSE and SOURCE.txt alongside).
- Bricolage Grotesque, DM Sans (SIL OFL 1.1) /merge-pdf/fonts/
- Noto Sans Devanagari, Arabic, SC (SIL OFL 1.1) /merge-pdf/vendor/noto/