Alternatives to PDF Signer for Linux with any license

  • PDFedit

    Free (and open source) editor for manipulating PDF documents. GUI version + commandline interface. Scripting is used to a great extent in editor and almost anything can...

    • Discontinued The project is no longer developed. Last version, 20140526_1531, released in May 2014, can be still downloaded from SourceForge.

    Free Open Source Windows Linux

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    PDFedit icon
  • PortableSigner

    PortableSigner is a signing (with X.509 certificates) program for PDF files. It's platform independent and runs (tested) under Windows (2000, XP, ...), Linux, and...

    Free Open Source Mac Windows Linux

    PortableSigner icon
  • JSignPdf

    JSignPdf is a Java application which adds digital signatures to PDF documents. It can be used as a standalone application or as an Add-On in OpenOffice.org. The...

    • Discontinued The project was retired. Last version, 1.6.1, released in September 2014, can be still downloaded from SourceForge and GitHub.

    Free Open Source Mac Windows Linux LibreOffice Apache OpenOffice

    JSignPdf icon

Platforms

Desktop

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