The best free alternative to PHP Server Monitor is Zabbix, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to PHP Server Monitor and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to PHP Server Monitor are UptimeRobot (Freemium), Nagios (Freemium, Open Source), CloudStats (Freemium) and Cachet (Free, Open Source).
Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(S), Ping, Port and check Keywords. Get alerted via e-mail, SMS, Twitter, web-hooks or push. View uptime, downtime and response times.
Cachet is a simple to use and easy to manage status page system and can be easily installed and used to track third party service letting your users know what's going on. - Cachet is 100% open source, opening a whole world of contributions and new features.
StatusCake.com is a free website monitoring tool which allows users to track up to 10 websites and get alerted when their site is down or is having trouble. Downtime root cause analysis is included in the free plan to help users diagnose and fix issues.
Website/Server monitoring with fast notification via Web, SLACK or E-Mail on issues. What you get: 25 monitors, checked every 5 minutes. Now includes SSL-Certificate validation and port checks. Totally free!.