Life & fun · alternatives · 2026

Snitch.io is an SSL auditing and alerting service launched in 2014. It monitors and audits SSL certificates, alerting users to potential issues or expiration dates. The tool is designed for system administrators and… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Snitch.io – SSL auditing and alerting launched in 2014; newer entries below may have overtaken it.

1. 1
   Snitch▲86

   SSL Certificate Monitoring and Alerting

   2014 · its alternatives →

2. 2
   Little Snitch 4▲320

   Shows connection alerts when apps are connecting

   2017 · obdev.at · its alternatives →

3. 3
   SSL Checker Tool▲84

   Free way to identify SSL configuration issues

   2019 · magenticians.com · its alternatives →

4. 4
   Free Certificate Monitoring via RSS▲120

   2024 · raphting.dev · its alternatives →

5. 5
   SSL Alerts▲157

   Free service to send SSL certificate expiration alerts

   2018 · alerts.httpscop.com · its alternatives →

6. 6
   Free Monitoring Suite by WebGazer▲338

   Monitoring for websites, APIs, and cron jobs

   2024 · webgazer.io · its alternatives →

7. 7
   SimpleOps▲297

   Keep your websites up and never lose customers

   2020 · simpleops.io · its alternatives →

8. 8
   SSLreminder▲78

   Keep the business running, get reminded to extend your SSL

   2021 · sslreminder.pro · its alternatives →

9. 9
   Tailsnitch – A security auditor for Tailscale▲280

   A security auditor for Tailscale configurations. Scans your tailnet for misconfigurations, overly permissive access controls, and security best practice violations. - Adversis/tailsnitch

   Jan 2026 · github.com · its alternatives →

10. 10
    Never have an SSL certificate expire again▲40

    Automated SSL certificate monitoring with expiration alerts, Certificate Transparency discovery, and Slack/Discord/Teams notifications. Prevent downtime with continuous monitoring.

    2022 · haveibeenexpired.com · its alternatives →

11. 11SD
    SSL Decoder – An open-source alternative for the SSL Labs server test▲160

    2015 · tls.so · its alternatives →

12. 12
    MCP Snitch▲102

    Maintain secure control over your MCP environment

    2025 · mcpsnitch.ai · its alternatives →

13. 13
    PingPing▲168

    A simple tool to monitor your website and SSL

    2018 · pingping.io · its alternatives →

14. 14
    Ots – share a secret via one-time URL▲77

    🔐 Share end-to-end encrypted secrets with others via a one-time URL - sniptt-official/ots

    2021 · github.com · its alternatives →

15. 15CS
    CertStream – See SSL certs as they're issued in real time▲142

    2017 · certstream.calidog.io · its alternatives →

16. 16
    SSL Montior▲77

    Free SSL monitoring app for macOS

    2023 · its alternatives →

17. 17
    Cloud Snitch▲13

    Open source tool to up your relationship with your cloud

    2025 · cloudsnitch.io · its alternatives →

18. 18SS
    Simple SSL Scanner▲31

    Expedited Security provides straightforward security services for Heroku, AWS and Google Cloud

    2014 · expeditedssl.com · its alternatives →

19. 19
    Snitch▲115

    Your Slack org chart, built by everyone in it.

    Sep 2026 · snitchforslack.com · its alternatives →

20. 20
    Micro Snitch▲143

    Track if someone is watching you on your Mac

    2015 · obdev.at · its alternatives →

21. 21
    Certificate Transparency Log Monitor▲53

    2016 · sslmate.com · its alternatives →

22. 22
    ApiChecker▲104

    Reliable uptime and performance monitoring for your services

    2019 · its alternatives →

23. 23
    Monitorly▲76

    Get real-time alerts for your SSL expiry

    2022 · its alternatives →

24. 24
    A reasonably reliable traffic per application monitor using BPF▲23

    picosnitch helps you protect your security and privacy by "snitching" on anything that connects to the internet, letting you know when, how much data was transferred, and to where. It uses BPF to monitor network traffic per application, and per parent to cover those that just call others. It also hashes every executable, and will complain if some mischievous program is giving it trouble.

    2022 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →