Toolsley PGPigeon - Simple but powerful OpenPGP-compatible message encryption webapp.
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).
GPGTools - Use GPG Suite to encrypt, decrypt, sign and verify files or messages.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Lockbin - Lockbin is a web application for sending private email messages and files.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.