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CLUSTER CERTIFICATES-SSL-ALERTS · 12 ENTRIES · EARLIEST ENTRY 2025-08-13

SSL certificate monitoring tools

This cluster comprises tools that track SSL/TLS certificate status, expiration dates, and alerting across domains. The dated entry history shows a single 2012 entry, one from 2019, and three entries in 2025-2026, indicating a long dormant period followed by recent additions, though the sample is small. Traction signals are uniformly minimal, with all leading products showing zero stars and certradar listed as the top activity signal.

Entry timeline

ENTRY TIMELINE

MAY 2019: 1AUG 2025: 1OCT 2025: 1AUG 2026: 4SEP 2026: 3OCT 2026: 2
MAY 2019OCT 2026

Each bar is the month a member carries, which is a creation date where the source published one and a crawl date otherwise. Nothing in the index was found before 11 August 2026, and coverage broadened sharply on 14–15 August, so a bar from then on reports how much we found that month, not how much was built; an earlier bar reports how far back a member's own source dated it — not how long we have been watching.

Members by activity

Activity signals, not revenue.

Build origin · 2 ai-built · 1 hand-coded · 9 unlabelled

Operator · 4 hobby · 1 indie · 1 open source · 6 unlabelled

Two labels per entry, never collapsed into one: how it was built, and who stands behind it. Counted over the 12 listed below. Unlabelled means nothing has decided yet — not that the answer is small.

  1. 01certradar0★2 mo—hand-codedhobbyStaff certificate tracker with automated certificate date extraction and expiry reminders.
  2. 02deckard0★12 days—Monitors an organization's external attack surface for dangling DNS, subdomain takeovers, expiring certificates and exposed services, alerting on findings.
  3. 03lapsewatch0★20 days—hobbyService that monitors TLS certificate expiration on endpoints, logs probe history, and alerts before certificates expire.
  4. 04ssl_alerts0★12 days—Web app that monitors SSL certificate expiry for user-added domains and sends email alerts at set intervals before expiration.
  5. 05ggt-domain-ssl-report0★25 days—indieWeb tool that checks domain and TLS certificate expiration dates and warns when either is due within thirty days.
  6. 06domain-watch0★2 mo—hobbyEarly-warning web app that monitors expiring domains and sends email alerts when one enters the redemption grace period.
  7. 07ssl-toolkit0★1 moliveA web app that checks and analyzes SSL/TLS certificates for domain security and validation.
  8. 08ssl-expire-tracker0★2 molivehobbyApplication that monitors SSL certificate expiration dates for websites and sends automatic email alerts before certificates expire.
  9. 09ssl-monitor0★1 yrabandoned—SaaS platform that monitors SSL certificate status across domains and alerts teams before certificates expire or fail.
  10. 10cert-guardian-suite0★1 yrabandoned—ai-builtCertificate management tool that monitors SSL and TLS certificates across domains and alerts before they expire.
  11. 11certspotter0★1 yrabandonedliveopen sourceMonitors Certificate Transparency Logs to detect certificates issued for a domain.
  12. 12Domain Guardian0★unknownliveai-builtWeb app for domain owners to track expiration dates, monitor renewal status, and check site availability.

Ranked by traction, highest first, and paged 20 at a time — this is a window on the cluster, never the whole of it. Ties are broken by a stable id so a product cannot appear on two pages or fall between them. Browse every cluster.