Advanced File Protector 

Advanced File Protector is a professional file encryption tool. It uses very the strongest encryption encryption algorithms available, including RSA and the newest AES standard Rijndael to make sure your private data remains confidential.
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Advanced Security Tool - AST 

Advanced Security Tool-AST is an awards winning security system for Windows.It includes: password generator, encrypted pad, password manager,Bookmarks manager,Auto fill login and password and a special "trojan preventing" mechanism.
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SafeCryptor 

SafeCryptor is the encryption system where your own computer is your unique key. SafeCryptor lets you securely and quickly send all of your sensitive and personal information via e-mail or chat session to your partners, customers, friends or family.
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QuickCrypt Library 

Fast, highly optimized implementation of symmetric (private-key) encryption algorithms: DES, Triple DES (3DES), DESX, BLOWFISH, RIJNDAEL (AES-Advanced Encryption Standard),GOST. Allows to encrypt/decrypt files, memory blocks, strings, streaming data.
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Encrypt Easy 

Encrypt Easy is a highly secure file encryption program enabling fast and simple one-click encryption and decryption of single files, folders and entire directory trees using most secure algorithms. It also features shredder and wipe-out utilities.
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EDCrypt 

EDCrypt is an ActiveX control performing following functions: - encrypts and decrypts data using 6 strong symmetrical block ciphers - computes message digests of data using 18 hashing algorithms - securely shreds files
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