Self-hosted Docker and Kubernetes monitoring in a single container — containers, endpoints, cron jobs, SSL certs, image updates, network security, and status page.




Self-hosted Docker and Kubernetes monitoring in a single container — containers, endpoints, cron jobs, SSL certs, image updates, network security, and status page.




At UptimeObserver.com, we specialize in comprehensive website monitoring and web infrastructure monitoring. Our mission is to empower website owners and administrators with the tools they need to ensure their online presence remains consistently reliable and responsive.

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...




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)



Performance monitoring simplified. Never let users see your website down or with bad loading speeds. Receive alerts & insights in real-time on health and performance.








SiteVitals is a SaaS platform that monitors website health, uptime, SEO, security, and performance - alerting you when something needs attention.




Uptime monitoring with multi-location checks, SSL/domain expiry alerts, and instant Slack/Telegram/WhatsApp notifications.




Monytra is a website uptime monitoring tool built for freelancers and web agencies. Monitor your clients' websites, get instant downtime alerts, and manage everything from a clean, simple dashboard with more included on the free plan than most alternatives.




UPSONAR.IO is an uptime monitoring service with a unique approach: we don't just ping your server - we parse your HTML and verify every external dependency.




Get notified by the simplest uptime monitoring service in the world, when your website is down or your certificate becomes invalid. No more, no less.


Enterprise infrastructure monitoring for email reputation, SSL certificates, and the services you can't afford to lose.




Robotalp is an all-in-one monitoring solution that ensures your website's uptime and performance with 11 different monitoring functions and a status page.




Distributed uptime monitoring with multi-region consensus to eliminate false alerts. Modern alternative to legacy monitoring tools.

We monitor all your existing cron jobs and SSL certificates. Or use our managed cron job service, with build in monitoring. Running in the background, nobody really knows when they fail? Keep track of your SSL certificates, cron jobs and all other hidden processes and don't...


365andUP's WebAnalytics is a free tool that analyzes your website's performance loading it in real browser, record it and show actionable insights which will help you optimize and be a search engine friendly website.

TLS Checker is a Free TLS / SSL Expiry Monitoring Service which includes Discovery, Inventory and Management of certificates. For Free.



ApiChecker is reliable uptime and performance monitoring for your service. It uses different servers around the world to verify your service/API/WebSite performance and uptime ?! We also provide different way to keep you notified about downtime - it can be SMS , Slack, Email...




Website monitoring for uptime, APIs, forms, logins and checkout flows, with actionable evidence when something breaks.




Kikloper is a lightweight monitoring platform for freelancers, developers, and agencies managing multiple websites.




Sentinel provides a centralised location in which you can see Domain, SSL and DNS information - all whilst checking that your SLAs are being met. Don't let your customers inform you that something is wrong because you didn't know.

SiteTrak monitors your website 24/7 for downtime, slow pages, SSL and domain expiry, SEO issues, and security problems. It sends instant alerts with actionable fixes and includes 13 free website tools with no signup required.


WatchSumo monitors your website uptime, and sends your email, webhook or Slack alerts when there is a problem.



Website health monitoring for agencies, with branded client reports backed by daily uptime, Lighthouse, and visual checks.



