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TrueCrypt - http://www.truecrypt.org/
Open-source free on-the-fly disk encryption for Windows XP/2000. 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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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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4t HIT Mail Privacy Lite - http://www.4t-niagara.com/hitmail.html
Sends and receives private data hidden in images of various types by using a strong encrypting algorithm. |
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Crypto Anywhere - OpenPGP Edition - http://www.bytefusion.com/products/ens/cryptoanywhere/whatiscryptoanywhere.htm
Allows for secure email encryption on the move, and can run from floppy or USB drive. |
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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. |