Hexadecimal is described as '* Uptime monitoring - checks are performed approximately once every minute from one of the available locations worldwide. During downtimes, checks are performed from four different locations simultaneously. Downtime is only recorded if more than half of servers can confirm it' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Hexadecimal for a variety of platforms, including Web-based, SaaS, Windows, Linux and Mac apps. The best Hexadecimal alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Hexadecimal are UptimeRobot, Pingdom, HetrixTools and StatusCake.