RichTextWeb is an independent implementation of a JavaScript flow document model and editing control with .NET-style API names. It does not contain or redistribute Microsoft Word's proprietary engine and is not affiliated with or endorsed by Microsoft, the .NET Foundation, Avalonia, or Meta. Runtime dependencies retain their own licenses: - JSZip 3.10.1: MIT OR GPL-3.0-or-later (used under MIT). - pdf-lib 1.17.1: MIT. - @pdf-lib/fontkit 1.1.1: MIT. - marked 17.0.5: MIT. - React is an optional peer dependency, licensed MIT. Bundled dependencies' legal comments are retained in adjacent .LEGAL.txt files. See dependency package distributions for full third-party notices. PDF import and preview use Mozilla PDF.js (pdfjs-dist), distributed under the Apache License 2.0. Its license is included with the redistributed PDF worker and assets in dist/pdf-assets/LICENSE.