Alternatives

Products that do what CertAlert.pro does

SSL expiration & server health monitoring

1. 1
   Free Monitoring Suite by WebGazer▲338

   Monitoring for websites, APIs, and cron jobs

   2024

2. 2
   CertAvert

   Simple, free SSL certificate expiration monitoring

   Jan 2026 · certavert.com

3. 3NH
   Never have an SSL certificate expire again▲40

   2022 · haveibeenexpired.com

4. 4CS
   CertStream – See SSL certs as they're issued in real time▲142

   2017 · certstream.calidog.io

5. 5
   SSL Alerts▲157

   Free service to send SSL certificate expiration alerts

   2018

6. 6
   SSL Monitoring Solution▲6

   Monitor SSL certs and avoid unexpected downtime

   2025

7. 7FC
   Free Certificate Monitoring via RSS▲120

   2024 · raphting.dev

8. 8CF
   CertRadar – Find every certificate ever issued for your domain▲21

   Jan 2026 · certradar.net

9. 9
   SSL Checker Tool▲84

   Free way to identify SSL configuration issues

   2019

10. 10
    ProSiteMonitor▲6

    Monitor your website uptime, SSL, domain — 24/7

    Nov 2025 · prositemonitor.com

11. 11
    CertWarden: SSL Expiry Tracker▲10

    Track SSL expiry before it breaks your site

    Feb 2026 · apps.apple.com

12. 12
    PingPing▲168

    A simple tool to monitor your website and SSL

    2018

13. 13
    CertGuard▲2

    Professional ssl certificate & website monitoring

    Nov 2025 · certguard.au

14. 14
    SCATR by Stabel▲103

    Secure your smart contracts

    2023

15. 15
    CertPost▲3

    SL monitoring that checks the certificate your server serves

    Aug 2026 · certpost.ai

16. 16
    SSL Certificate Checker▲11

    Check SSL certificates across public endpoints

    Jul 2026 · apify.com

17. 17KA
    Kuvasz – an open-source uptime and SSL monitoring service▲29

    A few months ago I took out my side project - an uptime & SSL monitoring service - from the drawer. I've decided to give it a new life and completely overhauled it, added a lot of new feature, and most importantly, a UI. Highlights - configurable uptime & SSL monitoring - Telegram, Slack, PagerDuty & E-mail notifications (more to come!) - fully-fledged REST API - a responsive, modern & fast UI - monitors are optionally configurable via a single YAML file, or you can choose to use either the UI or the API to maintain them - Cloud-native, distributed as amd64 and arm64 images - Only one…

    2025 · kuvasz-uptime.dev

18. 18
    SSLPanel▲3

    Manage SSL certs for all your sites — simple & free

    Dec 2025 · sslpanel.com.ru

19. 19
    SSL Monitor▲1

    Monitor your SSL certificates. Get alerted before it expires

    Dec 2025 · sslmonitor.es

20. 20
    CertSonar

    SSL, domain & DNS monitoring get alerted before things break

    Mar 2026 · certsonar.com

21. 21CT
    Certificate Transparency Log Monitor▲53

    2016 · sslmate.com

22. 22
    CertFleet▲1

    SSL + uptime monitoring without the observability bill

    24d ago

23. 23TC
    TLS cert expiration dashboard▲40

    2016 · github.com

24. 24
    Never miss a client deadline again▲1

    Stop losing clients to expired domains & SSL certs

    13d ago · duvento.com

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