Sites and apps similar to Checkly include Uptime Kuma, which is free and open source. Other options are UptimeRobot, Pingdom, Quimonit and soapUI. You're spoiled for choice with Website Monitoring Tools like Checkly: we list more than 50 alternatives for Mac, Windows, Linux, self-hosting and Android.
Covers uptime, cron jobs, SSL and domain expiry, TCP ports, DNS records, and tracks incidents, with per-monitor alerts via Telegram, Slack, SMS, and more, white-label status pages, robust history, API access, self-hosting, and maintenance features.
Uptime monitoring and public status pages for indie SaaS founders - 1-minute checks, Slack/Discord/Telegram alerts, and custom domains. Free to start.
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.
Belarus
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.
United States
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...
United States
Kikloper is a lightweight monitoring platform for freelancers, developers, and agencies managing multiple websites.
United States
Uptimia monitors websites, APIs, servers, SSL certificates and domains from 171 locations worldwide. You get grouped alerts on the channels your team already uses, a public status page, and reports on availability and response time.
Germany
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