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TrueCrypt - http://www.truecrypt.org/
Open-source free on-the-fly disk encryption for Windows, Mac OS and GNU/Linux. It can encrypt partitions or create virtual encrypted disks within files. Implemented ciphers: AES-256, Blowfish (448-bit key), 3DES, Serpent, Twofish. Provides plausible deniability. |
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Cryptomathic File2File - http://www.cryptomathic.com/file2file/
A password based file encryption solution for the Windows platform. It is free for private use. |
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Chaos Mash - http://www.elgorithms.com/downloads/chaosmash.php
Offers 30 different way to encrypt a file along with personalized key for decrypting it. |
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FineCrypt - http://www.finecrypt.net/
Multiple ciphers and key manager integrated with the Windows shell. |
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HandyBits EasyCrypto - http://www.handybits.com/easycrypto.htm
Creates self-extracting, encrypted files through the use of the common Blowfish algorithm. |