CRL Freshness & Drift Monitor

TLS Certificate Monitor

junipr/tls-certificate-monitor

Monitor TLS certificates, expiry, chain health, issuer changes, and HTTPS readiness.

SSL Certificate Monitor

blackfalcondata/ssl-certificate-monitor

Bulk SSL/TLS certificate monitor: issuer, validity window, days-to-expiry, chain validity, SANs and protocol for every domain, plus HTTP/HTTPS status, with expiring-soon and invalid-certificate flags and incremental change tracking. $1 per 1,000 domains.

Track public SAML IdP federation metadata, signing-certificate expiry and rotation, SSO endpoints, and trust-sensitive changes across scheduled runs.

Chrome Web Store Permission Drift Monitor

zentrafoundry/chrome-web-store-permission-drift-monitor

Watch extensions for permission drift, manifest/version drift, rating shocks, category movement, and listing removals.

SSL Certificate Monitor — Bulk Expiry & Chain Checker

accurate_pouch/ssl-monitor

Monitor SSL/TLS certificates in bulk. Expiry dates, issuer, protocol version, key size, certificate chain, SAN list. Webhook alerts for expiring certs. 5 domains free.

Schema.org Vocabulary Drift Monitor

defenestrator/schema-org-vocabulary-drift-monitor

Monitor the official Schema.org JSON-LD vocabulary for watched term changes, replacements, removals, and release drift.

Deep-dive SSL/TLS certificate analysis for any domain. Check certificate validity, issuer, SANs, expiry dates, cipher suites, protocol support (TLS 1.2/1.3), and certificate chain. Get comprehensive security ratings and actionable recommendations. Essential for security audits and compliance.

SSL Certificate Expiry Monitor

andok/ssl-certificate-monitor

Monitor SSL/TLS certificate validity and expiration dates across thousands of domains to prevent costly outages.

Price & Availability Drift Monitor

checksmithcats/price-availability-drift-monitor

Tracks detectable price and stock drift between a public product feed, live product pages, and the previous run. Reads only public URLs.