Dead Man's Switch is described as 'This is how this works. You write a few e-mails and choose the recipients. These emails are stored securely, so you can be sure that no-one except the intended recipient will ever read them. Your switch will email you every so often, asking you to show that you are fine by' and is an website in the office & productivity category. There are three alternatives to Dead Man's Switch, not only websites but also apps for a variety of platforms, including Android, iPhone, Mac, Windows and Linux apps. The best Dead Man's Switch alternative is Dead man's switch, which is both free and Open Source. Other great sites and apps similar to Dead Man's Switch are Absentkey and Vital Watchdog.