Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
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.
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
Android Lost - Remotely control your Android phone from the internet or by SMS. Features:
Cellist - Cellist is an all-in-one HTTP debugging proxy software designed for OS that provides a straightforward approach to put a proxy between the HTTP client and the internet.
iLostFinder - iLostFinder is an anti-theft/lost app for iPhone and iPad.