Comment on PDFium: Chrome’s PDF rendering engine is now open-sourceparentComments−yarrel12y4. It's not proprietary and doesn't restrict people's ability to freely use their web browser.−teraflop12yWhat do you mean by "proprietary"? Pdfium is BSD-licensed, and pdf.js uses the Apache 2 license; both are extremely permissive.−async512yExcept one does not provide protection from the patents.
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4. It's not proprietary and doesn't restrict people's ability to freely use their web browser.
What do you mean by "proprietary"? Pdfium is BSD-licensed, and pdf.js uses the Apache 2 license; both are extremely permissive.
Except one does not provide protection from the patents.