CertsMonitor
Get alerts before your SSL certificates expire
CertsMonitor is a SaaS tool that tracks SSL/TLS certificate expiration for domains. It provides reminders via email, Slack and a browser extension to help users renew certificates before they expire, and also checks for revoked or misconfigured certificates.
12 alternatives to CertsMonitor
Ranked by how well each tool replaces CertsMonitor: shared features, audience, price and popularity.
- 62 out of 100 match$17/mo
Monitor cron jobs, schedule HTTP tasks, route failure alerts, and monitor TLS/SSL
Covers 3 of 6 key features and starts cheaper.
Free plan58 out of 100 match$1/moGet notified via email when an SSL certificate is close to expiration.
Covers 0 of 6 key features.
Free plan58 out of 100 matchFree- 57 out of 100 match$2/mo
Cron job monitoring that alerts you when scheduled tasks don't run on time
Covers 3 of 6 key features and is open source.
Free planOpen source56 out of 100 match$5/moFree-to-use NGINX monitoring service (retiring January 31, 2026).
Covers 2 of 6 key features.
Free plan55 out of 100 matchFreeRealtime server monitoring service with alerts, charts and dashboards
Covers 3 of 6 key features.
55 out of 100 match$5/moFree website and service monitoring with status pages.
Covers 1 of 6 key features.
Free plan54 out of 100 matchContact salesSuper Monitoring: Website monitoring service covering availability, speed and proper funct
Covers 3 of 6 key features.
53 out of 100 match$5.99/moWebsite and uptime monitoring from 300+ locations with phone call, SMS and Slack alerts.
Covers 3 of 6 key features.
Free plan53 out of 100 match$9/moWebsite monitoring for uptime, page speed, SSL, domains and servers
Covers 3 of 6 key features.
Free plan53 out of 100 match$12.46/moWebsite monitoring with real-browser checks, alerts, and performance reporting
Covers 3 of 6 key features.
Free plan53 out of 100 match$19.99/mo