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