cryptlib 

Security toolkit with strong encryption and authentication. Supports many algorithms for symmetric/asymmetric encryption, authentication, and hashing. Free for non-commercial/shareware projects. Written in C. ActiveX and C++ wrappers are available.
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Hyper Hasher Suite 

The ultimate hashing utility! The Hyper Hasher Suite allows you to calculate 26 different hash/checksum and HMAC values for any file on your system, while the HashFile utility adds support for MD5 & SFV file creation and verification.
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Easy Stereo 

Professional utility for creation of high-quality stereograms. It can create stereograms from 3D-objects or prepared depth-masks, export depth-masks, create animated stereograms, print rendered stereograms.
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