PDF Signer Alternatives for Linux

    PDF Signer is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux alternative is LibreOffice - Writer, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to PDF Signer and five of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to PDF Signer are PDFedit (Free, Open Source), PortableSigner (Free, Open Source), JSignPdf (Free, Open Source) and OpenSignature (Free, Open Source).

    This page was last updated Aug 2, 2021

    1. Writer has all the features you need from a modern, full-featured word processing or desktop publishing tool.
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      • FreeOpen Source
      • Windows
      • Linux
      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 be scripted, it is possible to create own scripts or plugins.

      Discontinued

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

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    2. 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 macOS.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • LibreOffice
      • Apache OpenOffice
      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 application uses the jsignpdf-itxt library for PDF manipulations (based on iText library in version 2.1.

      Discontinued

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

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    3. OpenSignature is an open source project for the digital signature of documents. It works with all cards supported by OpenSC and focuses on adding support for cards from accredited Italian CAs. It allows to sign pdfs by adding a picture of your signature.
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    Showing 5 of 5 alternatives