Prey!

If you lose your iPhone or iPad, you can find it with the Find my iPhone service, a free part of MobileMe.

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.

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

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.

The world leader in monitoring solutions for smartphones & computers , all your personal and target device data are stored in a secretive nuclear bunker that was built during the Cold War.In 1996 the nuclear bunker was converted to a state-of-the-art data center .SpyBunker encrypts your files,and then uploads them to the Bunker for safe keeping ,SpyBunker uses End-to-End Encryption,that means only you control and has access to your target device data. Not even SPYBUNKER Employees or anyone else except you ! »

Ever misplaced or lost your phone? Android Device Manager locates lost devices and helps you keep your device—and the data inside it—safe and secure. Android Device Manager lets you:? Locate Android devices associated with your Google account? Reset your device's screen lock PIN? Erase all data on the phone

A GUI can be found here : https://github.com/BoboTiG/pombo/tree/master/gui

iLostFinder is featured as the best anti-theft app for iPhone. It will prevent others from powering off your iPhone in case it gets lost and prevent them from disabling Internet on the lost device. Besides, iLostFinder will help you to find your lost iPhone by taking photo of the thief and sending it to your Email.

Cell Phone Tracking and Mobile Monitoring App. mSpy you can monitor targeted smartphones; locate the mobile phone; track it; read SMS; view contact list; call details and even more.

iAlertU is an alarm system for your Apple MacBook that uses the built in motion detection to trigger the alarm and the iSight to capture the image of the thief.

Track and Protect is recommended best Professional Remote Security service. Remote lock, alarm, locate on map, photo, backup and restore, call back and more, all via the web. Even after SIM change! Generate police reports for maximum recovery.

Protect Your Mobile Phone. Real-time tracking, remote locking, and more!

Because laptops are increasingly popular, and desktops are becoming smaller and more portable, computer theft has reached huge proportions worldwide. According to a recent FBI report, 97% of all stolen computers are never recovered. Many people we know have had their Macs stolen, often in safe situations. Thats why we developed Undercover: a unique theft-recovery application designed from the ground up for Mac OS X.