TransforMap - There are Plenty of Alternatives. TransforMap makes them visible.
Find My - Find My can help you locate your devices and your friends and family.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
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.
Facebook Places - Let your friends help you discover restaurants, hotels, museums and more.
PhoneTrack - Nextcloud app to create tracking sessions to display phones position in real time and export activity to gpx.