ProtonMail - Secure email with absolutely no compromises. Get your free encrypted email account today.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Tauria - True end-2-end encrypted group calls for up to 50 people
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
PortaCrypt - Create portable encrypted documents on your Mac
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.