NetCrunch
Commercial
NetCrunch is a Windows Server–based network monitoring tool that boasts high performance and impressive scalability even in a single-server deployment.
PHP Server Monitor
Open Source
PHP Server Monitor is an open source tool to monitor your servers and websites.
HappyApps
Freemium
HappyApps is an online app uptime monitoring platform.
Compare UptimeRobot with alternatives
Compare NetCrunch and UptimeRobot and decide which is most suitable for you.
Compare HappyApps and UptimeRobot and decide which is most suitable for you.
Compare PHP Server Monitor and UptimeRobot and decide which is most suitable for you.