Dev tools · alternatives · 2026

24 alternatives to Sentinel by Rebackk

A better way to detect vulnerabilities

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sentinel by Rebackk launched in 2024; newer entries below may have overtaken it.

1. 1
   Sourcery Sentinel▲47

   AI Agents that investigate and fix Sentry Issues

   2025 · sourcery.ai · its alternatives →

2. 2
   Sentinel – open-source QA agent that reads your code before it clicks▲16

   Sentinel is an open-source AI QA agent that reads your repo, derives the real business flows, and tests them end to end across the frontend and the backend.

   Jul 2026 · blog.simbastack.com · its alternatives →

3. 3
   Google Security Scanner▲99

   Allows developers to scan their apps for vulnerabilities

   2015 · its alternatives →

4. 4
   Sentinel ▲2

   API turnstile

   Feb 2026 · sentinel.risksignal.name.ng · its alternatives →

5. 5
   VulnCost for Visual Studio Code▲126

   An open source security scanner for Visual Studio Code

   2020 · its alternatives →

6. 6
   VulnWatch▲12

   Find Security Flaws — No Code Needed.

   2025 · vulnwatch.netlify.app · its alternatives →

7. 7
   Probely▲87

   Intuitive and easy-to-use webapp vulnerability scanner

   2018 · its alternatives →

8. 8
   VulnWatch▲12

   Find Security Flaws — No Code Needed.

   2025 · vulnwatch.netlify.app · its alternatives →

9. 9
   SentinelAI Guard▲5

   AI-powered website security scanner for real vulnerabilities

   Feb 2026 · its alternatives →

10. 10SJ
    Sentinel.JS - The simplest alternative to angular.js▲41

    2014 · bitbucket.org · its alternatives →

11. 11
    VulnShield▲5

    Catch code vulnerabilities before they ship.

    Jul 2026 · vuln-shield.vercel.app · its alternatives →

12. 12
    Sentinel AI▲7

    Malicious Prompt Monitor

    Oct 2025 · strategicpromptarchitect.ca · its alternatives →

13. 13
    Dastardly▲57

    A lightweight web app security scanner for your CI pipelines

    2022 · its alternatives →

14. 14
    Website Threat Scanner▲10

    A web tool to scan websites for common vulnerabilities

    2025 · webscan.dheerajjha.com · its alternatives →

15. 15
    GitGuardian Shield▲80

    Open sourced application to detect security vulnerabilities.

    2020 · its alternatives →

16. 16
    WraithScan▲10

    Ship Fast. Stay Secure.

    2025 · wraithscan.com · its alternatives →

17. 17WV
    We've built SaaS-Sentinel, the Downdetector for supply chain breaches▲7

    Honeytoken technology is becoming more and more important in the world of supply chain security. SaaS-Sentinel is an alerting platform based on this technology to notify subscribers when a honeytoken planted in a SaaS provider was triggered. This is the story of the project.

    2023 · blog.gitguardian.com · its alternatives →

18. 18
    Sentinel▲1

    Tired of getting spam subs in your forms? Sentinel solves it

    2024 · its alternatives →

19. 19
    Sentinel Advanced Surveillance▲1

    Turn webcams and IP cams into AI-driven security systems.

    May 2026 · ceyntax.com · its alternatives →

20. 20SS
    Sentinel – simple 2-Factor Authenticator app for iOS, macOS and watchOS▲12

    2022 · getsentinel.io · its alternatives →

21. 21
    Sentinel DNS▲2

    Firewall DNS open-source para provedores de internet

    Jul 2026 · sentineldns.net · its alternatives →

22. 22
    Sentinel AI Video Intelligence▲3

    Open-source AI video intelligence for secure environments

    Feb 2026 · abgroupglobal.com · its alternatives →

23. 23
    R7 Vuln-Scanner▲5

    R7 Vuln-Scanner — Discover the Weakness Before They Do.

    Mar 2026 · gum.new · its alternatives →

24. 24
    Trust Sentinel▲2

    Silent TPM guardian for your PC. Zero cloud, AI or telemetry

    Jun 2026 · 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 →