apaWAP secure
- A simple password-based text encryption system. Explains the algorithm, and offers a online implementation for visitors to use.
- http://www.apawap.com/secure/

PGP Mimic
- Lets you generate message that look like PGP... but aren't.
- http://www.spammimic.com/encodepgp.shtml

Practical One Time Pad
- This system is designed for the requirements of the undercover agents working in foreign countries, but may be extended to be used for the personnel of embassies and consulates. Instead of exchanging messy OTP's, some neatly prepared simple and sho
- http://www.practicalotp.com/

Cryptico, Rethinking Encryption
- Web site of Danish company that invented a new encryption algorithm based on the principles of mathematical chaos.
- http://www.cryptico.com/

MAK Coder
- Encode and decode data with XOR password and base64 resulting in nominal security.
- http://makcoder.sourceforge.net/

Asier Technology Cryptography
- Creators of an ultra large key cryptographic algorithms. The key space ranges from 37,000 to 136,000 bits.
- http://www.asiertech.com/

The Polymorphic Cipher
- A cryptosystem based on randomizing the encryption algorithm.
- http://www.identification.de/crypto/descript.html