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




Upptime is described as 'GitHub-powered open-source uptime monitor and status page' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Upptime for a variety of platforms, including Web-based, SaaS, Windows, Self-Hosted and Linux apps. The best Upptime alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Upptime are Better Stack Uptime, Tianji, UptimeRobot and Pingdom.
Agentless IT monitoring built to scale - NetCrunch offers a powerful, policy-driven platform for real-time visibility across your entire infrastructure system.




Netweak is a delightful, minimalist monitoring platform that gives you insights on performance and availability for your linux servers & websites.




SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development.




Klaxon enables reporters and editors to monitor scores of sites and files on the web for newsworthy changes. Get email and Slack notifications when something changes.
Guardius is a Software as a Service (SaaS) company designed to streamline and automate various IT needs for companies that operate their own websites or manage their own infrastructure. It is crucial for companies to safeguard their websites and infrastructure against potential...




If your infrastructure went down right now, how long would it take for you to know?



We alert you, before your customers do.
OnlineOrNot monitors your websites, web apps, and APIs, letting you know instantly if anything goes wrong.


Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.







Track web page changes in any web page daily for free users, every 30 minutes for paid users - no RSS or Atom required. Receive notifications via email, Instant Message, and SMS.
Free open-source website monitoring software, easy to set up and use for monitoring web sites. You can monitor single web pages, multiple web pages, pages in sitemap and even your whole web site using spider. You can check HTTP result codes and even contents of the checked pages.
