Their website and marketing of this fact (is it a fact?) is very confusing or misleading. The comparison at https://pdfjs.express/pdfjs-vs-express says "PDF.js is an open-source PDF library that was created by Mozilla in 2011 to let you open and render PDFs in web browsers using JavaScript. PDF.js Express is a fully-featured commercial PDF.js viewer with a modern and customizable UI."
I would really like to know whether or not "PDF.js Express" is open source. Why? Because I've done a lot of work on react + pdf.js already (for a latex editor), and it's been high on my todo list to add annotation features. So PDF.js express significantly overlaps with something I'm very seriously planning to do...
I would really like to know whether or not "PDF.js Express" is open source. Why? Because I've done a lot of work on react + pdf.js already (for a latex editor), and it's been high on my todo list to add annotation features. So PDF.js express significantly overlaps with something I'm very seriously planning to do...