SweetUptime

Free uptime monitoring for hobby projects. Includes 50 monitors with 5-minute check intervals, supports HTTP, ping, port, and keyword monitoring. ⬆️ Back to Top

Free for first 100,000 requests (Rails only)

Powerful Kubernetes monitoring based on Prometheus. Bring your own Prometheus or install the all-in-one bundle. The free tier includes up to 20 Kubernetes nodes. Alerts via Slack, Microsoft Teams, Discord, and more. Integrations with PagerDuty, OpsGenie, VictorOps, DataDog, and many other tools.

Uptime Monitoring free for up to 100,000 events for unlimited projects and unlimited status pages.

Minimalist uptime monitoring with beautiful status pages. The Forever Free plan offers HTTPS, Keyword, SSL and Response-time monitorming for 10 websites or api-endpoints, and provides 2 dashboards/status pages.

Uptime, content, dependency, and SSL monitoring with multi-region verification and status pages. Free plan includes 15 monitors, 5-minute checks, and 90 days of history.

Uptime monitoring, incident management, on-call scheduling/alerting, and status pages in a single product. The free plan includes ten monitors with 3-minute check frequency and status pages.

Automated API testing and monitoring. Free plans for teams and individuals.