FOLIO — THIRD-PARTY SOFTWARE

Folio is distributed under GNU AGPL version 3 or later. No proprietary PDF SDK is used.

MuPDF 1.28.1
Copyright (C) 2004-2026 Artifex Software, Inc.
GNU AGPL-3.0-or-later. See vendor/mupdf/LICENSE.
The unmodified MuPDF engine and JavaScript bindings are supplied from npm mupdf@1.28.1.
Complete corresponding upstream source and build instructions:
https://github.com/ArtifexSoftware/mupdf/tree/20061bd45183f5a2bff8f43675e4da91e5ac2901
Official source repository: https://cgit.ghostscript.com/mupdf.git/
Source archive: https://github.com/ArtifexSoftware/mupdf/archive/20061bd45183f5a2bff8f43675e4da91e5ac2901.tar.gz
MuPDF source uses Git submodules; clone recursively at this revision to build.

Other dependencies, exact versions and upstream repositories:
{
  "mupdf": {
    "version": "1.28.1",
    "source": "https://github.com/ArtifexSoftware/mupdf/tree/20061bd45183f5a2bff8f43675e4da91e5ac2901",
    "licence": "AGPL-3.0-or-later",
    "tarball": "https://registry.npmjs.org/mupdf/-/mupdf-1.28.1.tgz"
  },
  "lucide": {
    "version": "1.8.0",
    "source": "https://github.com/lucide-icons/lucide.git",
    "licence": "ISC",
    "tarball": "https://registry.npmjs.org/lucide/-/lucide-1.8.0.tgz"
  },
  "jszip": {
    "version": "3.10.1",
    "source": "https://github.com/Stuk/jszip.git",
    "licence": "(MIT OR GPL-3.0-or-later)",
    "tarball": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz"
  },
  "tesseract.js": {
    "version": "7.0.0",
    "source": "https://github.com/naptha/tesseract.js.git",
    "licence": "Apache-2.0",
    "tarball": "https://registry.npmjs.org/tesseract.js/-/tesseract.js-7.0.0.tgz"
  },
  "tesseract.js-core": {
    "version": "7.0.0",
    "source": "https://github.com/naptha/tesseract.js-core.git",
    "licence": "Apache-2.0",
    "tarball": "https://registry.npmjs.org/tesseract.js-core/-/tesseract.js-core-7.0.0.tgz"
  },
  "Noto Sans": {
    "source": "https://github.com/notofonts/noto-fonts",
    "licence": "SIL Open Font License 1.1"
  },
  "English OCR data": {
    "source": "https://github.com/tesseract-ocr/tessdata",
    "download": "https://tessdata.projectnaptha.com/4.0.0/eng.traineddata.gz",
    "licence": "Apache-2.0"
  }
}

Licence texts accompany the libraries in vendor/licenses and fonts/OFL.txt.
English trained data and Tesseract are distributed under Apache-2.0.

ADDITIONAL PDF FONTS
Roboto, Open Sans, Lato, Montserrat, Poppins, Inter, Raleway, Oswald, Merriweather and Noto Sans: SIL Open Font License 1.1. Font files and licence notices are served from /fonts/. Exact source files and checksums are listed in /fonts/catalog.json.