verifyR.med licences and third-party notices

Licences and third-party notices

This page lists the software that is shipped with the scanner and the licence each component states in its own files. The licence texts are included in this site's folder (links below). Nothing here is legal advice; where a component's own files are silent, this page says so instead of guessing.

Components

webR 0.6.0 (R 4.6.0 compiled to WebAssembly; files in vendor/webr/). Its licence file (vendor/webr/LICENSE.md) states: the webR distribution binaries contain copies of third-party software (R: GNU GPL version 2 and 3; PCRE2: BSD; XZ Utils liblzma: public domain; libgfortran: GNU GPL 2 and 3; LLVM Flang: Apache 2.0; and others it lists) and, to remain compatible with the GPL, the webR binaries are distributed under the GNU GPL version 3; other webR files (setup and build scripts, REPL) are under the MIT licence. The full GPL-3 and MIT texts are in that file.
pdf.js 6.3.289 (PDF reading; files in vendor/pdfjs/). Licence: Apache License 2.0, text in vendor/pdfjs/LICENSE. The character maps, standard fonts and WebAssembly helpers in vendor/pdfjs/ are part of the same npm package and are shipped unmodified.
verifyR.med 0.4.4 (the statistics engine, bundled as engine/engine.R). Licence: MIT (copyright holder Ergun Kara). The bundle is the package's R sources concatenated; one documented substitution is made (the package version string).
This scanner's own code (js/, index.html, app.css, sw.js): MIT, as declared in the project's package.json.

Source code of the GPL components

R and webR are free software. The source code of R is available from the R Project (r-project.org) and the source code of webR from the webR project (the r-wasm organisation on GitHub); the versions used here are R 4.6.0 and webR 0.6.0. This site does not link to them from the scanner page so that the page makes no outbound request; copy the names above into a search engine. The vendored files can be verified against integrity.json (SHA-384 for each file).

Note for redistribution: because the webR binaries are GPL-3, anyone who copies this folder to another site passes on those binaries under the GPL-3 and should keep this page and the licence files. Whether and how the GPL-3 terms affect the licence of the combined site is a question for the site owner and was not assessed here.

Development-only tools (not shipped)

linkedom, playwright-core (test runners) are used only to test the build and are not part of the files served to visitors.