#language en
## 20221122 AK
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 [[PdfSigning/CZ|česky]] | '''english'''
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= PDF signing =

There are free programs available to create digital signatures with certificates on PDF documents:

== Libre Office ==

[[PdfSigning/LibreOffice|LibreOffice]] can sign PDF documents since version 4.5.

== Portable Signer ==
GUI and commandline tool for Linux, OSX, and Windows
 * http://portablesigner.sourceforge.net

== jPdfSign ==
A command-line application written in Java which allows to add an invisible signature to PDF documents
 * http://private.sit.fraunhofer.de/~stotz/software/jpdfsign/

== JSignPdf ==
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

 *website: http://jsignpdf.sourceforge.net/
 *license: GNU LGPL 

== DigiSigner ==
A Java GUI application which lets you open PDF documents and add visible and invisible digital signatures to them. Supports smartcards. Available for Windows, Mac and Linux.

 *website: http://www.digisigner.com/

== CAcert PDF Signer ==
Command-line tool only for Linux, OSX, and Windows
 * http://svn.cacert.org/CAcert/Software/PdfSigner/
 * Nautilus Script for PdfSigner: http://svn.cacert.org/CAcert/Software/PdfSigner/pdfsigner-nautilus.sh

== OpenSignPDF ==
Supports Smartcards and Timestamping
 * http://opensignature.sourceforge.net/english.php : 


== Footprint ==
PDF Writer and Signer
 * Java 1.6+ library
 * https://footprint.dev.java.net/

== PDFCreator ==
PDFCreator easily creates PDFs from any Windows program.Use it like a printer in Word, StarCalc or any other Windows application.
 * http://pdfforge.org/products/pdfcreator


== Misc ==
 * Adobe´s documentation on PDF Security:
 . [[https://www.adobe.com/acrobat/online/sign-pdf.html|Fill & Sign PDF Online]]

 * OpenOffice feature request with voting:
 . http://qa.openoffice.org/issues/show_bug.cgi?id=47895

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 . CategorySoftware