Cost / License
- Subscription
- Open Source
Application types
Platforms
- Self-Hosted
- Software as a Service (SaaS)



Uptime.do is described as 'Free SaaS service for Uptime Monitoring for web sites, hosting servers and ports & custom Status Pages' and is a Uptime Monitor service in the network & admin category. There are more than 25 alternatives to Uptime.do, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Android and iPhone apps. The best Uptime.do alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to Uptime.do are Better Stack Uptime, Tianji, UptimeRobot and Pingdom.






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


Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins. Run on any type of environment.



Statping is the most popular Windows & Mac alternative to Uptime.do.

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.




Uptime Monitor monitors your resources using HTTP/HTTPS (highly customizable), TCP, or Ping protocols. It supports multiple notification channels such as SMS, email, Slack, and Discord. In addition, Uptime Monitor can host status pages on your own domain for free.







HowFast monitors offers website downtime monitoring with a check every single minute. It also helps you to track the response time of your server over time, telling you how much time was spent during DNS resolution, TCP connection, TLS handshake, HTTP send / wait / download, and...




Single tool that monitors all aspects of websites, including availability, domain, certificate, security and script errors.


Monitor your website, REST API, SSL, Domain, Server, Port. Free 5 monitors. Checked every 5 minutes.
Get alerted if your website is down via email, teams, webhook etc.

