1)   Total Text Security 1.0
Total Text Security can be used to secure any text (in an e-mail, instant message, or in a file). This application is easy-to-use, powerful, and usable with programs of any type. It can protect your data with passwords or RSA keys(as used by PGP).
e-mail, IM, instant message, text, security, protection, encription, decription, authentification, RSA,