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Encrypt PDF (Secure PDF) 2.2 Encrypt PDF software allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs. | | DPlot 2.0.4.1 Graphing software for scientists, engineers, and students. It features multiple scaling types, including linear, logarithmic, and
| | Steganography 1.7.1.1 Steganography: an excellent method of embedding information on the contents of the file within another file! Make your secrets invisible
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