In every MacBook has a motion sensor integrated to a fall of the laptop to detect. If your MacBook is dropped, the hard drive automatically blocked making it less likely to break.
iAlertU is an open source program that makes use of this motion sensor to a MacBook against theft to protect.
iAlertU is a free anti-theft program for MacBooks. With the built-in motion sensor in the MacBook are movements registered that the alarm will then activate. When someone so your laptop is picking up to take it starts the screen flashes and sounds a loud audible signal.
It is also possible to take pictures with the camera in the laptop and send it to an e-mail address that you have set.
There is also a (paid) app for the iPhone and the iPad that allows remote iAlertU installation on the MacBook can be controlled. This app has the name uAlertMe and you can download in the app store.
iAlertU has the following characteristics:
iAlertU screenshots
You can free download iAlertU 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.