GPGTools - Use GPG Suite to encrypt, decrypt, sign and verify files or messages.
Jetico BCTextEncoder - Jetico BCTextEncoder is software that ensures your text-based communications are safe by allowing you to encrypt them.
Pignus Encryption - Pignus Encryption is an encryption platform that allows users to encrypt their messages and documents.
TheLetterEncrypter - TheLetterEncrypter is a small (14KB download) AES-based text-encryption program.
DeliverySlip - DeliverySlip helps simplify, secure, and expedite the burdensome elements of online collaboration...
GizmoMarks - GizmoMarks is software that provides secure block-notes by encrypting them in a way that nobody can understand.