OpenPDF VS PDFKit

Not really a JavaFX question as JavaFX is a UI framework. Your question is therefore just related to Java. To answer that I've seen a similar feature from IText (https://itextpdf.com) or OpenPDF (https://github.com/LibrePDF/OpenPDF) as an open source alternative. Maybe take a look at those for a start and check if they provide you what you're looking for.

In addition, the License file may not contain the text of the license directly but information about the licenses under which the project is published or which projects/libraries are included in it. For example OpenPDF.

Open PDF: https://github.com/LibrePDF/OpenPDF

OpenPDF is probably your best bet for all of these in one program

PDFkit is one of the oldest and most well-established PDF libraries in the JavaScript ecosystem; it is still well-maintained, and regularly updated. This library is a popular option for creating and manipulating PDF documents in a server-side environment, typically using Node.js. It allows you to programmatically generate PDF files by defining each page's content, layout, and formatting.

pdfkit is a JavaScript PDF lib that allows web developers to create PDF documents programmatically. It provides a simple and intuitive API for generating basic PDFs.

Resource could be of use: pdfkit, github link.

Build a PDF generator using Kintone's REST API and a PDF library like PDFKit or PDFMake

https://pdfkit.org/ is pretty powerful, surprised to see no one has mentioned this so far.

If this is a concern for you, I suggest you look at projects like pdfkit, they allow you to compose the content of the pdf directly, without using another format (html) has an intermediate layer.

I use pdfkit at work

Then write a script to export the drag drop. Maybe use a browser function to save the page as a PDF. Or a NPM library using something like https://www.npmjs.com/package/pdfkit

Maybe pdfkit