ILX PDF (web) - third-party software notices
=============================================

ILX PDF (web) is proprietary software of ILX Studio, LLC. It uses the open-source components below. Every one has
a permissive license (MIT, BSD, Apache-2.0, MPL-2.0, PSF, HPND, SIL OFL for fonts). No AGPL, GPL or LGPL code is
used: in particular no PyMuPDF / MuPDF and no Ghostscript. tests/test_license_rule.py enforces this rule.

The PDF engine (app/ilxpdf) is a subset of the ILX PDF desktop engine v1.2.0 (proprietary, ILX Studio, LLC).

Server (Python 3.12, installed from PyPI; versions in requirements.txt)
-----------------------------------------------------------------------
| Component | License | Use |
|---|---|---|
| pikepdf | MPL-2.0 | open / merge / split / rotate / encrypt PDFs (unmodified) |
| QPDF (bundled in pikepdf) | Apache-2.0 | PDF structure library under pikepdf |
| pypdfium2 | Apache-2.0 / BSD-3-Clause | page rendering (PDF -> images) |
| PDFium (bundled in pypdfium2) | BSD-3-Clause (with FreeType FTL, libopenjpeg BSD-2, Little CMS MIT, libpng, zlib, libjpeg-turbo IJG/BSD) | rendering engine |
| pypdf | BSD-3-Clause | PDF utilities used by the engine |
| reportlab (base toolkit only) | BSD-3-Clause | page numbers, stamps, images -> PDF |
| Pillow | MIT-CMU (HPND) | image decoding and recompression |
| lxml (pikepdf dependency) | BSD-3-Clause | XMP metadata |
| charset-normalizer (reportlab dependency) | MIT | |
| packaging | Apache-2.0 / BSD-2-Clause | |
| FastAPI | MIT | web framework |
| Starlette | BSD-3-Clause | web toolkit |
| Uvicorn | BSD-3-Clause | web server |
| h11 | MIT | HTTP/1.1 |
| anyio | MIT | |
| pydantic, pydantic-core | MIT | |
| annotated-types, annotated-doc, typing-inspection | MIT | |
| typing-extensions | PSF-2.0 | |
| click | BSD-3-Clause | |
| idna | BSD-3-Clause | |
| opentelemetry-api (FastAPI dependency, unused) | Apache-2.0 | |
| Python 3.12 (container base image python:3.12-slim, Debian) | PSF-2.0 | runtime |

Browser (served from this server only, app/static/vendor)
---------------------------------------------------------
| Component | License | Use |
|---|---|---|
| PDF.js 4.10.38 (pdfjs-dist, legacy build) | Apache-2.0 | thumbnails, page counts, metadata in the browser |
| PDF.js cMaps (Adobe) | BSD-3-Clause | CJK text in previews |
| PDF.js standard fonts: Foxit | BSD-3-Clause (LICENSE_FOXIT) | previews of PDFs without embedded fonts |
| PDF.js standard fonts: Liberation Sans | SIL Open Font License 1.1 (LICENSE_LIBERATION) | same |

The full license texts ship with each component: the Python packages in their dist-info folders inside the
container image, PDF.js in app/static/vendor/pdfjs-4.10.38/LICENSE and standard_fonts/LICENSE_*.

Apache License 2.0: https://www.apache.org/licenses/LICENSE-2.0
Mozilla Public License 2.0: https://www.mozilla.org/MPL/2.0/ (pikepdf source: https://github.com/pikepdf/pikepdf)

Questions: services@ilxstudio.com