Site monitoring is described as 'Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web pages, multiple web pages, pages in sitemap and even your whole web site using spider. You can check HTTP result codes and even contents of the checked pages' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Site monitoring for a variety of platforms, including Web-based, SaaS, Self-Hosted, Android and Linux apps. The best Site monitoring alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Site monitoring are Tianji, UptimeRobot, Pingdom and Kener.