1)   PDF Security ActiveX 2.0.2008.618
Encrypt and decrypt PDF files Supports PDF user password and owner password protection Password protect opening of the PDF document Disable printing of the PDF document Disable copying of text/graphics
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 2)   PDF Encrypt COM/SDK 2.3
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
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 3)   Encrypt & Decrypt PDF 1.00
Encrypt & Decrypt PDF allows you to Encrypt and Decrypt protected Adobe Acrobat PDF files in batch mode. With this software, you may freely secure your PDF files from being printed, changed, copied, extracted, signed of your PDF files.
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 4)   Ap PDF Stamp 2.2
PDF Stamp is an advanced product that enables you to stamp content into a PDF document. Besides images, texts and graphics, PDF Stamp is able to add links and notes.support command line.
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 5)   Batch TIFF Resizer 1.64
Batch TIFF Resizer which resize and converts single and multi page tiff images, EPS, PS, PNG, BMP and JPEG to TIFF, JPEG or PDF files or spilt multipage tiff to single tiff .
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 6)   PDF Stamp COM SDK 2.2
PDF Stamp is an advanced product that enables you to stamp content into a PDF document. Besides images, texts and graphics, PDF Stamp is able to add links and notes.
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 7)   PDF Encrypt COM/SDK Unlimited License 2.3
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
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 8)   Lizard Safeguard PDF Security 2.6
PDF document security with PDF DRM controls. Stop copying, sharing, modifying, screen grabbing. Control the number of views and prints & when documents expire. No useless pdf password security. Complete PDF copy protection and PDF control.
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 9)   CIB pdf brewer 2.3.12-5.3.210
Generates free PDF from all Windows applications (capable for servers) with file size optimization, fontembedding, PDF encryption, watermarks and hyperlinks. Allows joining of PDF documents and PDF attachments. An API is available for developers.
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 10)   ap PDF Encrypt 2.3
PDF Encrypt allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs, set permissions, add user and owner password.
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 11)   PDF Stamp COM SDK Unlimited License 2.2
PDF Stamp is an advanced product that enables you to stamp content into a PDF document. Besides images, texts and graphics, PDF Stamp is able to add links and notes.
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 12)   LockLizard Safeguard PDF Security - PDC secure viewer 2.5
PDF document security viewer software with DRM controls. View PDC documents protected with Lizard Safeguard PDF Security. No useless passwords to enter in order to view secure pdf files. Free DRM download to view pdf secure document.
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