Fort - File encryption software for Windows.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
iGPMail - iPGMail: OpenPGP Email security for iPhone and iPad
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Axcrypt - AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.