Digitally Sign PDFs?

This page summarizes the projects mentioned and recommended in the original post on /r/archlinux

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  • pyHanko

    pyHanko: sign and stamp PDF files

  • I don't think Okular supports PKCS#11 out of the box, but if you're OK with CLI tooling, this might suit your needs: https://github.com/MatthiasValvekens/pyHanko (full disclosure: I wrote that tool, so assume I'm biased).

  • xournalpp

    Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.

  • I use Xournal++

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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