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 types
Platforms
- Online
- Software as a Service (SaaS)


Vantaj Uptime is described as 'All-in-one uptime monitoring platform- HTTP, SSL, domains, cron jobs, DNS, and status pages in one tool. 10+ global probe regions with multi-region consensus alerting to eliminate false positives' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Vantaj Uptime for a variety of platforms, including Web-based, SaaS, Self-Hosted, Linux and Mac apps. The best Vantaj Uptime alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Vantaj Uptime are Better Stack, UptimeRobot, Pingdom and StatusCake.
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.

Website uptime monitoring. Be notified by email when your site is down. Free and open source, monitor as many URLs as you want. You can hack it and host it yourself or use the official instance.




An uptime monitoring and status page platform for websites, APIs, servers, and Discord bots. Monitor HTTP, Ping, Port, SSL, and Discord services with real-time alerts via Discord, Slack, Telegram.

Status by Broos Action is a lightweight, cost-effective tool designed to help system owners monitor uptime and service health in real time. It offers customizable status pages, incident tracking, and performance analytics.




🔥 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.

Kuvasz ['kuv?s], an open-source, self-hosted uptime & SSL monitoring service with status pages, designed to help you keep track of your websites and services. It provides a modern, user-friendly interface, a powerful REST API, and supports multiple notification channels like...




A simple self-hosted status page site with an API written in Django under the BSD license.
Don't lose your customers because your service is down! Monitor your websites and cloud services from multiple geographic locations and receive instant alert when there is downtime or issue. Be proactive and keep your customers happy!.




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...




Monitor and communicate the status of your site, app or API with your very own status page. Create it in less than 3 minutes with Statuspal! Or host it yourself for free with our open source community edition.
