Top Alternatives to Pingdom

Port Monitor is an easy tool that does website and server monitoring 24/7 every 60 seconds for free.

AppBeat is reliable website monitoring service that alerts you when there is a downtime or failure. It also measures performance and provides functional tests.

UptimeRobot is a free website uptime monitoring service.

NetCrunch is a Windows Server–based network monitoring tool that boasts high performance and impressive scalability even in a single-server deployment.

StatusCake delivers accurate global website monitoring for tens of thousands of customers.

HappyApps is an online app uptime monitoring platform.

Monitis is a web performance monitoring platform.

mist.io helps you streamline your operations and reduce your infrastructure costs.

DareBoost is SaaS tool allows you to analyze and monitor websites, producing customized reports on web performance and quality.

PHP Server Monitor is an open source tool to monitor your servers and websites.

Pingoscope is a website monitoring site.

Site Down is a site downtime monitoring platform.

Uptrends helps you monitor your website uptime, so you will get an alert whenever your websites goes down.