Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.


OpenStatus is described as 'Open source monitoring services with on-call managements' and is a website monitoring tool in the network & admin category. There are more than 100 alternatives to OpenStatus for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and Linux apps. The best OpenStatus alternative is Uptime Kuma, which is both free and Open Source. Other great apps like OpenStatus are Better Stack Uptime, Tianji, UptimeRobot and Pingdom.
Cabot is a free, open-source, self-hosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.


Get website downtime alerts by phone call, SMS, email or Slack if your website is down. Create beautiful status pages & incident management reports and keep your visitors updated.



Advanced hosted status pages. Offering a complete REST API, native curl-like monitoring, metrics, semantic statuses, informational, maintenance, and scheduled issues, and more.




Uptime.com: Real-time availability monitoring & response for preventing website downtime. Your complete website monitoring solution.








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.


PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.




Monitor your website, server, API, application, service and get notified if your resources have some problems with availability. Upzilla notifies you in Slack, Telegram, Messenger, or by email. Works also as a public status page with subscriptions.








Downdetector monitors over 3,000 services in 25 countries including telecommunication outages (internet, phone and TV service), online banking problems, websites that go down and apps that aren’t working.




DomainPulse.io is an advanced service designed to help users easily monitor and manage all their domain registrations in one place.

Agentless IT monitoring built to scale - NetCrunch offers a powerful, policy-driven platform for real-time visibility across your entire infrastructure system.



