EASYSTEM PDF Editor — third-party software

PDF.js / pdfjs-dist 6.3.289 — Mozilla contributors — Apache-2.0.
https://github.com/mozilla/pdf.js
License: PDFJS-LICENSE.txt; additional notices inside wasm/ and standard_fonts/.

pdf-lib 1.17.1 — Andrew Dillon / Hopding — MIT.
https://github.com/Hopding/pdf-lib
License: PDF-LIB-LICENSE.txt; PDF-LIB-NOTICES.txt.

@pdf-lib/fontkit 1.1.1 — Devon Govett and contributors / pdf-lib fork — MIT.
https://github.com/Hopding/fontkit
Fontkit is distributed under the MIT license. See FONTKIT-LICENSE.txt.

DejaVu Sans — DejaVu font project, based on Bitstream Vera.
License and attribution: DEJAVU-LICENSE.txt.

All libraries and fonts are served locally. Document processing does not use a remote PDF API.