Best Find My Alternatives

Prey is a lightweight application that will help you track and find your laptop or mobile if it ever gets stolen. It works in Windows, Mac OsX, Linux and Android.

Protect yourself from being tracked  by AirTags  and Find My accessories

Lookout combines enterprise grade security with end user simplicity, protecting your device and data from a variety of threats facing mobile devices including: loss, theft, viruses, malware, and hackers.

PhoneTrack is a Nextcloud application to track and store mobile devices locations.

Remotely control your Android phone from the internet or by SMS.

Kaspersky Internet Security for Android is an antivirus solution to help protect phones and tablets – that can be even more vulnerable than your computer – as well as your private information from online dangers. The App Lock feature also protects personal data from prying eyes.

Find your Device via SMS. This applications goal is to track your device when it's lost and should be a secure open source application and a alternative to Googles FindMyDevice.

Ever lost your phone and you go to call it to listen for the ringer and remember its on silent mode? Now when you lost it you can text your phone and it will turn silent mode off, the ringer vol up, and start ringing.

Pombo can help you recover your computer in the event it's stolen. It works on Windows, GNU/Linux and Mac OSX.

Avast! Free Mobile Security gives you mobile antivirus protection and mobile tracking while concealing itself from would-be thieves.