Alternatives to PortableSigner for all platforms with Open Source License

  • PdfMod

    PDF Mod is a simple application for modifying PDF documents. You can reorder, rotate, and remove pages, export images from a document, edit the title, subject...

    • Discontinued The program seems no longer updated. Last release, 0.9.1, was released on March 3, 2011 and only translations have been done on the project since then. It can be still downloaded from the official website.

    Free Open Source Linux BSD

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  • 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

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Platforms

Show 7 less popular platforms