Certificate Expiry & Logs. Self-hosted SSL/TLS certificate monitor: a single binary and a single YAML file. Probes your endpoints on a schedule and delivers templated webhook alerts when a certificate is expiring, expired, invalid, or TLS becomes unavailable. Optionally exposes Prometheus metrics compatible with ssl_exporter dashboards.
tls ssl certificate tls-certificate ssl-monitoring ssl-checker ssl-monitor ssl-exporter ssl-expiry-reminder certificate-monitoring ssl-check tls-monitoring ssl-checking certificate-monitor starttls-monitor certel
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Updated
Aug 24, 2026 - Go