Digitally Sign
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JPDFSecure v.2.0
JPDFSecure is a Java library that allows you to digitally sign PDF documents and change security settings on PDF documents.
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Neevia PDFsign/encrypt suite v.3 4
Neevia PDFsign/encrypt is a cost effective application that allows you to digitally sign, timestamp and/or encrypt PDF files.
DigiSigner v.4.0.1
DigiSigner is a simple PDF viewer tool to digitally sign PDF documents and verify signatures. With DigiSigner you can create both digital and e-signatures. There are also versions for Mac and Linux.
DigiSigner Mac v.2 4
DigiSigner is a tiny PDF viewer tool to digitally sign your PDF documents and verify signatures. DigiSigner main features: - DigiSigner is a normal PDF viewer so you can always open and inspect the document you are going to sign. - DigiSigner
DigiSigner Pro v.3.0
Portable DigiSigner Pro is a software to view and digitally sign PDF documents. Secure your PDFs with Portable DigiSigner Pro.DigiSigner is a software for viewing and digitally signing PDF documents using X.509 certificates.
Cisdem PDFSigner for Mac v.2.0.0
Cisdem PDFSigner for Mac lets you sign PDF securely and legally. Even without printer and scanner, you can directly sign PDF with mouse or trackpad or directly add scanned signature in image. Then, edit the signature by rotating, changing color, etc.
SignGUI
SignGUI is a free graphical front end for Microsoft's SignTool.exe console utility, used by software developers to digitally sign their programs for authentication.
Ovis pdf-DocPro v.7 2
Set presentation properties to PDF files, compress PDFs up to 90 %, split, merge and add PDFs, digitally sign your PDF documents or remove master password!
Chilkat S/MIME Encryption ActiveX Component v.2. 2. 2000
An S/MIME ActiveX component that provides the ability to S/MIME encrypt or digitally sign files or data. It can also decrypt and validate / authenticate S/MIME messages, data, or files. This component also provides general MIME message building and
Chilkat S/MIME .NET Component v.2. 2. 2000
An S/MIME .NET assembly that provides the ability to S/MIME encrypt or digitally sign files or data. It can also decrypt and validate / authenticate S/MIME messages, data, or files. This component also provides general MIME message building and
Email CHAOS v.4 52
With E-mail CHAOS you can protect the privacy of your e-mail messages, files and folders by encrypting them so that only the intended recipients can read them. You can also digitally sign messages and files, which ensures their authenticity.