Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Flathub
- Flatpak


Sites and apps similar to Uptime.do include Uptime Kuma, which is free and open source. Other options are Better Stack, UptimeRobot, Tianji and Pingdom. There's no shortage of Uptime Monitor Services like Uptime.do, with more than 25 alternatives for self-hosting, Android, iPhone, Linux and iPad.





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


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.



Take control of your monitoring with Spectate. Our efficient platform offers efficient monitoring and incident management tools, so you can stay ahead of potential issues and keep your projects running smoothly.



