Monitors the status pages of the third-party services your business depends on and alerts you when one of them goes down.




TLS Checker is described as 'Free TLS / SSL Expiry Monitoring Service which includes Discovery, Inventory and Management of certificates. For Free' and is a website monitoring tool in the network & admin category. There are more than 25 alternatives to TLS Checker for a variety of platforms, including Web-based, SaaS, Self-Hosted, Android and iPhone apps. The best TLS Checker alternative is Uptime Kuma, which is both free and Open Source. Other great apps like TLS Checker are Better Stack, UptimeRobot, Kener and Pingdom.
Monitors the status pages of the third-party services your business depends on and alerts you when one of them goes down.




Monika is a command-line application to monitor every part of your web app using a simple YAML configuration file. Get alert notifications through SMTP, Discord, Slack, WhatsApp, and many more when your site is down but also when it's slow!.


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


Phare is the all-in-one platform that covers everything you need to run high-quality production websites with uptime monitoring, analytics, security, incident management, and alerting.




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.


Free SaaS service for Uptime Monitoring for web sites, hosting servers and ports & custom Status Pages.

Statsignal is the simplest and most cost-effective way to monitor your website or server and publish a status page of your system. No plans, pay as you go. Free monitors available.




A simple self-hosted status page site with an API written in Django under the BSD license.
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.

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...




Squadcast is an end-to-end incident response platform that helps tech teams adopt SRE best practices to maximize service reliability, accelerate innovation velocity and deliver outstanding customer experiences.




Testomato allows you to create tests in seconds so you can take control of your website's performance. Errors are checked from multiple locations to ensure accuracy. Monitor uptime performance as often as every 15 seconds!



