Find My - Find My can help you locate your devices and your friends and family.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Prey - Prey is the simplest and most reliable solution for tracking, data protection & management for Windows, Mac, and mobile devices. Track with precise location, wipe, reset and secure devices across all platforms.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
PhoneTrack - Nextcloud app to create tracking sessions to display phones position in real time and export activity to gpx.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.