Top Alternatives to Monitis

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

Zabbix is enterprise open source monitoring software for networks and applications.

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

Nagios known as Nagios Core, is a free and open source computer-software application that monitors systems, networks and infrastructure.

UptimeRobot is a free website uptime monitoring service.

Datadog is a monitoring service for cloud-scale applications, bringing together data from servers, databases, tools, and services to present a unified view of an entire stack.

Pingdom helps you give your customers the best possible web experience by offering a Powerful Web Performance Monitoring Solution.

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

Dynatrace APM tools provide user experience analysis that identifies and resolves application performance issues faster than ever before.

SoftPerfect Network Scanner is a fast universal IPv4/IPv6 scanner with an extensive range of options and advanced features.

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

PRTG is a network monitoring tool that helps you to ensure that your computer systems are running smoothly and that no outages occur.

Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected to.

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

Pulseway is a mobile-first IT management software.

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.

Nsauditor Network Security Auditor is a network security auditing software.