WOVER - An intelligent personal emergency platform
Android Lost - Remotely control your Android phone from the internet or by SMS. Features:
RscMe - Rescue & Emergency app for Apple Watch
Find My - Find My can help you locate your devices and your friends and family.
Crisis Response on Facebook - Find more information about crises and crisis response tools
PhoneTrack - Nextcloud app to create tracking sessions to display phones position in real time and export activity to gpx.