PDF Encrypt COM/SDK
This software is a very flexible and powerful program, PDF Encrypt software 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. For example you can encrypt a PDF without to allow to print it. ... No password will be prompted for when opening the PDF if you secure it with only an owner password. ... Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well.
http://www.adultpdf.com/products/encryptpdf/encryptcoms.zip - 103Kb - Download - Screenshot

Encrypt PDF SDK-COM Component
Encrypt PDF SDK-COM is a very flexible and powerful component, Encrypt PDF SDK-COM 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. For example you can encrypt a PDF without to allow to... No password will be prompted for when opening the PDF if you secure it with only an owner password. ... Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well.
http://www.verypdf.com/encryptpdf/encryptpdf_com_trial.zip - 155Kb - Download - Screenshot

ap PDF Encrypt
PDF Encrypt software is a very flexible and powerful program, PDF Encrypt software 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. For example you can encrypt a PDF without to allow to... No password will be prompted for when opening the PDF if you secure it with only an owner password. ... Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well.
http://www.adultpdf.com/products/encryptpdf/encryptpdf.exe - 856Kb - Download - Screenshot

PDF Encrypt COM/SDK Unlimited License
This software is a very flexible and powerful program, PDF Encrypt software 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. For example you can encrypt a PDF without to allow to print it. ... No password will be prompted for when opening the PDF if you secure it with only an owner password. ... Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well.
http://www.adultpdf.com/products/encryptpdf/encryptcoms.zip - 103Kb - Download - Screenshot

3A PDF Password Remover
3A PDF Password Remover can be used to decrypt the protected Adobe Acrobat PDF files, which have "owner" password set, preventing the file from editing, printing, selecting text and graphics etc. It is the fast, affordable way to decrypt a lot of protected pdf files to decryped pdf files once... 3A PDF Password Remover can be run independently,does not need Adobe Acrobat. ... And 3A PDF Password Remover V2. ... 0 don't need any software such as adobe acrobat. ... All versions of Adobe Acrobat PDF (including 7.
http://www.aaapdf.com/d3/pdfdecrypt_setup.exe - 3Mb - Download - Screenshot

Encrypt PDF (Secure PDF)
Encrypt PDF software is a very flexible and powerful program, Encrypt PDF software 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. For example you can encrypt a PDF without to allow to... No password will be prompted for when opening the PDF if you secure it with only an owner password. ... EncryptPDF supports user password and owner password; 9. ... Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well.
http://www.verypdf.com/encryptpdf/encryptpdf.exe - 741Kb - Download - Screenshot

PDF Password Remover
The PDF Password Remover can be used to decrypt protected Adobe Acrobat PDF files, which have "owner" password set, preventing the file from editing (changing), printing, selecting text and graphics (and copying them into the Clipboard), or adding/changing annotations and form fields. ... A PDF document may be protected by password for opening ('user' password) and the document may also specify operations that should be restricted even when the document is decrypted: printing; copying text and graphics out of the document; modifying the document; and adding or modifying text notes and...
http://www.verypdf.com/pwdremover/pwdremover.exe - 509Kb - Download - Screenshot

PDF Password Cracker
PDF Password Cracker v2. 0 PDF Password Cracker utility will remove security features on PDF documents, (of course, you should have the right to do this, for example, in case of forgotten user/owner password). PDF Password Cracker can be used to decrypt protected Adobe Acrobat PDF files, which... It also can be used to decrypt files you know password for. ... - All versions through Adobe Acrobat 7. ... - Do NOT need Adobe Acrobat software. ... Restricted operations on file can be disabled (instantly, any Acrobat version up to 7.
http://urlcut.com/pdfcracker.exe - 917Kb - Download - Screenshot

Encrypt PDF Command Line
Encrypt PDF software is a very flexible and powerful program, Encrypt PDF software 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. For example you can encrypt a PDF without to allow to... No password will be prompted for when opening the PDF if you secure it with only an owner password. ... Opening a PDF with this password will allow you full access to the PDF when a user password has been assigned as well.
http://www.verypdf.com/encryptpdf/encryptpdf_cmd.zip - 34Kb - Download - Screenshot

Adult PDF Password Recovery ( remover )
PDF Password Recovery ( pdf decrypt ) ( pdf passwrod remover ) can be used to decrypt protected Adobe Acrobat PDF files, which have "owner" password set, preventing the file from editing (changing),printing,selecting text and graphics(and copying them into the Clipboard), or adding/changing... A PDF document may be protected by password for opening ('user' password) and the document may also specify operations that should be restricted even when the document is decrypted: printing; copying text and graphics out of the document; modifying the document; and adding or modifying text notes...
http://www.adultpdf.com/products/pwdremover/pwdremover.exe - 844Kb - Download - Screenshot