Downtime Cat monitors your website, and if it goes offline, sends you an email so you can fix it fast.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- Software as a Service (SaaS)


Apps similar to Uptime.com include Uptime Kuma, which is free and open source. Other options are Better Stack, UptimeRobot, Pingdom and Kener. Website Monitoring Tools like Uptime.com are a crowded field, with more than 100 alternatives for the web, self-hosting, Windows, Linux and Android.
Downtime Cat monitors your website, and if it goes offline, sends you an email so you can fix it fast.


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


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.

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🔥 Free & open source under MIT! Über fast, backwards compatible (IE8+), tiny, and simple status page built with Hugo. Compatible with Netlify & GitHub Pages. https://github.com/mistermantas/cstate.

Website monitoring service that offers a comprehensive free plan with:
The.


A simple self-hosted status page site with an API written in Django under the BSD license.
Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message (DM)


