Alternatives

Products that do what Certificate Transparency Advisor – proactive alerting does

1. 1CT
   Certificate Transparency Log Monitor▲53

   2016 · sslmate.com

2. 2CA
   Caman – A self-signing certificate authority manager▲26

   2015 · github.com

3. 3
   Snitch▲86

   SSL Certificate Monitoring and Alerting

   2014

4. 4FC
   Free Certificate Monitoring via RSS▲120

   2024 · raphting.dev

5. 5TC
   TinyCert – Certificates as a service▲46

   2014 · tinycert.org

6. 6SI
   Snitch.io – SSL auditing and alerting▲37

   2014 · snitch.io

7. 7CS
   CertStream – See SSL certs as they're issued in real time▲142

   2017 · certstream.calidog.io

8. 8ST
   Security Training for Developers▲128

   2016 · hacksplaining.com

9. 9TP
   The Provisionator – Apple push notification certificate wizard▲6

   2014 · gamethrive.com

10. 10AD
    Automatic Discovery for Let's Encrypt Certificate Monitoring▲11

    2017 · keychest.net

11. 11SH
    Self-hosted, open-source infrastructure monitoring and alerting▲82

    2014 · cabotapp.com

12. 12OS
    Open-Source Cloud Security Alert Contextualization▲10

    2021 · github.com

13. 13SA
    SECCOMP – A Secure Spreadsheet▲34

    2017 · calctopia.com

14. 14CF
    CertRadar – Find every certificate ever issued for your domain▲21

    Jan 2026 · certradar.net

15. 15BC
    Blockchain Certification Protocol▲24

    2015 · github.com

16. 16SC
    SSL certificate dashboard▲45

    2016 · github.com

17. 17IS
    Information Security Handbook▲31

    2016 · github.com

18. 18RT
    Real-Time job opening notifications from remote-friendly companies▲37

    2020 · hireremotely.co

19. 19S2
    SeaLion 2 – Linux Server Monitoring, Alerting and Debugging Tool▲32

    2014 · sealion.com

20. 20SS
    Self-signed certs as a service▲16

    2013 · lolroot.ca

21. 21SA
    SecurityOverboard, a job board for information security positions▲29

    2014 · securityoverboard.com

22. 22CC
    CertMagic – Caddy's automagic HTTPS features as a Go library▲33

    2018 · github.com

23. 23TO
    The Open-source notification infrastructure for developers▲8

    2021 · github.com

24. 24LS
    LEManager – Simple web-admin for managing Let's encrypt certificates▲6

    2015 · github.com

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