Switch engine
Office: LibreOffice WSM/ @matbee/libreoffice-converter (MPL 2.0, software only). Media: FFmpeg (GPL). Compressive package: 7-Zip (LGPL and unRAR restrictions). CAD: LibreDWG (GPL-3.0) and dxf (MIT). 3D:Assimp (BSD). Font: fonteditor-core (MIT) and Google Wof2 (MIT). GIS: toGeoJSON/shpjs. Font: Noto Sans CJK (SIL OFL).
Browser Component
Licences for PDF.js, PDF-LIB, Tesseract.js and tessdata_best, fflate, ExcelJS, SheetJS, YAML, TOML, fast-xml-parser, UTIF and heic2any are provided with website and software resources.
Source
Office Engine · 7-Zip WASM · FFmpeg WASM · Fmpeg Software Build · LibreDWG · dxf · Assimp