WinKeeper 

winkeeper is a collection of tools to fix, speed up, maintain and Ptotect your PC! You can get your system running at peak performance levels in few minutes with it.
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HideIt! 

Protect your secrets, hide folder, hide files, make your files totally invisible to everyone but you! Password protect and strong encrypt files. Your Secret Information will be in complete safety. Protect yourself! HideIt! is your personal data
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SafeBit 

SafeBit features military strength on-the-fly AES encryption, by creating virtual disk drives, where you can hide files and folders, keep them encrypted all them time, but still work with these files just like you work with normal files.
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LockTheFile 

LockTheFile encrypts the content of your important files from hackers and other users. You may protect any information - text files, pictures, video and audio files.
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PDF-Security 

Protect PDF files against unauthorized access and encrypt them! The program limits the access to PDF documents. You decide if a PDF file can be printed in th Acrobat Reader or if somebody may copy or edit the text. You can deside if the user have to
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