VigiMac

VigiMac is a software that you can use to track your lost or stolen Mac. It's completely free of cost, and it won't intrude on your computer activities or use up much of your bandwidth. Once installed on your Mac, this software regularly informs you of your Mac's location in case of theft. However, this function will only work if your Mac is connected to the internet and if you follow some basic advice.

This software works in the background without interfering with your Mac's performance or burdening you with intrusive notifications. Your Mac will automatically call the server every two minutes for tracking. In case of theft, all you need to do is send an email to VigiMac's support team, who will register any sign sent by your Mac. With this, the location of the thief's internet address will be provided to the police.

Overall, VigiMac is a sleek and straightforward software that is perfect for Mac users who worry about the security of their device. Its ease of use, low bandwidth usage and non-intrusive nature make it an ideal choice for anyone who wants a good, free anti-theft solution for their Mac.