ACProtect standard 

ACProtect is an application that allows you to protect Windows executable files(PE files) against piracy. Using public keys encryption algorithms (RSA) to create and verify the registration keys and unlock some RSA key locked code.
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Steganography Premium 

Use steganography and digital watermarking techniques to encrypt / encryption any file in any other file. Often used to hide data / messages in image files / photographs, but this software allows you to hide anything in any other file type.
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DLOCK2 

DLOCK2 is a simple command line file encryption/decryption utility program that uses the free Diamond 2 Encryption Algorithm. Full source code included. Version 2.01 is the same as the original DLOCK2, except recompiled for the Win32 command line.
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axsStrongBox 

axsStrongBox is a COM component which provides secure data encryption (public and private key) using industry standard, strong algorithms. It also provides digital signatures, hashing, GZIP and Base64 capability.
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Cryptgine Archiver 

Cryptgine Archiver creates compressed and encrypted archives that can be securely distributed over the internet. Built with the Cryptgine Application Programming Interface you may use 256 bit AES encryption or use your own by creating a plug-in.
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DC App Protector 

App Protecor is an application that allows you to protect Windows executable files against piracy. Using multi level encryption algorithms .
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