Hybrid observability platform combining code-based tests and AI-driven monitoring. Real-time browser testing, API monitoring, and self-healing tests.




Checkly is described as 'Provides a better way to monitor your API endpoints and browser click flows from a single, simple dashboard' and is a Uptime Monitor service in the development category. There are more than 50 alternatives to Checkly, not only websites but also apps for a variety of platforms, including SaaS, Mac, Windows and Linux apps. The best Checkly alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to Checkly are UptimeRobot, Pingdom, Quimonit and soapUI.
Hybrid observability platform combining code-based tests and AI-driven monitoring. Real-time browser testing, API monitoring, and self-healing tests.




Pinger Man is a modern platform to monitor Uptime of Websites and Applications. It supports notification via Email, SMS and Web Hooks. Users can also showcase the uptime of their services using Public Status Pages.

Free uptime monitoring for websites, servers and APIs. Supports HTTP, TCP, UDP and ICMP. Instant alerts to Telegram, Discord, Slack.



Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.



rhealth.dev is a developer-first uptime monitoring platform designed to reduce alert noise and speed up incident response.



RelayRadar is an operator-focused reliability platform that combines uptime monitoring, incident alerts, and domain intelligence into a single workflow.




CronAlert is an uptime monitoring SaaS built entirely on Cloudflare Workers, D1, and Cron Triggers. We monitor your websites, APIs, and scheduled tasks every minute and send instant alerts through email, Slack, Discord, Microsoft Teams, Telegram, PagerDuty, webhooks, and push...
Nightlamp provides real-time monitoring and real-engineer diagnostics for no-code platforms like Bubble, Lovable, Webflow, and more. Unlike standard uptime monitors, Nightlamp goes beyond status checks by paging a human engineer to reproduce the issue, identify the root cause...

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




It is an All-In-One Site Monitoring & SEO Tool that Reports site Performance, Monitoring Key aspects from Server Health to Domain Expiry, Title text and Website Uptime with instant Alerts to any Issues.




Website monitoring that helps detect and resolve issues before they impact website users. Response time tracking, keyword monitoring, custom alerts via WhatsApp, email, SMS, and more.



Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.