The Best 82 PDFTools Alternatives

  • iSafePDF

    iSafePDF is a free open source PDF protection software. It allows you to encrypt PDF document, sign them using a certificate and timestamp the signature. All those...

    Free Open Source Windows

  • 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...

    Free Open Source Mac OS X Windows Linux LibreOffice Apache OpenOffice