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.

Malwarebytes - Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .

Android Lost - Remotely control your Android phone from the internet or by SMS. Features:

Spybot - Search & Destroy - Spybot Search & Destroy is an anti-malware, adware and antivirus program for safe removal of the threats from the PC and browser.

iLostFinder - iLostFinder is an anti-theft/lost app for iPhone and iPad.

AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)