Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
MyChat - Secure instant messenger for any network
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Ubiq Security - Enable developers to build encryption into apps in minutes
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.