SSuite Mercury Rising - SSuite Mercury Rising data security software is the best free online AES encryption-based app that runs directly inside your web browser using pure HTML5 and javascript code.
Symantec Data Loss Prevention - Fully protect your data with the comprehensive detection technologies and unified policies of Symantec's industry leading Data Loss Prevention (DLP).
Renee File Protector - Equipped with AES 256 encryption, Renee File Protector provides overall protection to data in local & external disk. You can lock folders/files at will.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
SensiGuard - Use SensiGuard file encryption software to lock and encrypt files and folders on your Windows XP, Windows Vista or Windows 7 PC or any USB flash drive
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.