> On Sep 7, 2026, at 5:27 PM, [email protected] wrote:
>
>
> Am 08.09.2026 um 02:20 schrieb Dave Fisher:
>>
>>> On Sep 7, 2026, at 4:21 PM, [email protected] wrote:
>>>
>>> Hi all,
>>>
>>> I am on a modernization for our pdf importer.
>>>
>>> I would like to replace poppler becouse its gpl v2 and the license is just
>>> difficult to digest for our code.
>>>
>>> We have 2 other options where to move to.
>>>
>>> 1) Apache PDFBox, with the price of needing java. But our own project.
>>> maybe we could have a collab there.
>> I worked with PDFBox years ago. It is in general a lower level object level
>> (COS) layer api. My team built a PDF to Powerpoint converter. It still runs,
>> but I don’t have access to the code base. The lesson though is it is
>> significant work to take PDF a print file format back into the component
>> parts. We did the work over many years on the side.
> the conversion from PDF into components we have the code already and we can
> reuse it.
>>
>>> 2) PDFium, with the price of beeing class b BSD license, but native
>>> implementation.
>> Being C++ this is likely a better fit.
> Can we simply use it? or is there some review process necessary?
I’m looking at https://pdfium.googlesource.com/pdfium/+/refs/heads/main/LICENSE
and see ALv2. Where do you see BSD? And what number of clauses?
>>
>>> I try our own food first. Then we still can decide to move on.
>>
>>> ---
>>>
>>> A second thing.
>>>
>>> Import yes or no, we maintain an own pdfparser. It reads pdf, identifies
>>> passwords encrypts and so on.
>>>
>>> It is not the full import, just enough to identify and open the file in a
>>> special case of hybrid pdf.
>>>
>>> We could replace that code with qpdf. It would serve the same purpose, same
>>> license. But less maintenace for us.
>> From https://gpdf.dev
>>
>> gpdf is an open-source, MIT-licensed PDF generation library for Go
>>
>> That’s not a parser.
> I am proposing QPDF https://github.com/qpdf/qpdf
>>
>>> Is that something we should go for?
>>>
>>>
>> Best of luck,
>> Dave
>>
>>> All the best
>>>
>>> Peter
>>>
>>>
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