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Dev tools · alternatives · 2026

24 alternatives to Auditly — Scan before you ship

Free security scan that tells you exactly how to fix it

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Online automated vulnerability scanner to secure firewalls, servers, web applications, and apis. Try 14 days for free.

    2020 · hostedscan.com · its alternatives →

  2. 2

    Website security scanner

    2025 · its alternatives →

  3. 3

    Quickly scan your website and fix vulnerabilities

    2019 · probely.com · its alternatives →

  4. 4

    Security scanner for indie hackers

    2025 · its alternatives →

  5. 5WS

    http://webscanner.tk/quickscan/ Hi! I made this project over the couse of a week to help teach myself more about Django and web app development. I am studying computer security in school and web security is one of my passions. It is a tool that helps web developers ensure that they have implemented helpful security mechanisms like HTTPOnly flags, X-Frame-Options, etc. There are hundreds of tools that offer to scan websites for things like cross-site scripting, mySQL injection, etc. This tool simply looks for information that is available via one or two GET requests (the headers, protocols,…

    2013 · webscanner.tk · its alternatives →

  6. 6

    Scan any website for security issues in 10 seconds. Free.

    Feb 2026 · guardscan.dev · its alternatives →

  7. 7

    Free website security scanner: headers, SSL, DNS, SPF/DMARC

    Aug 2026 · nivaronix.com · its alternatives →

  8. 8

    Scan any website for 24 security flaws in seconds

    Jul 2026 · checkcyber.fr · its alternatives →

  9. 9

    I built this after seeing multiple teams accidentally ship API keys in their frontend code. The problem: Modern web development moves fast. You're vibe-coding, shipping features, and suddenly your AWS keys are sitting in a tag visible to anyone who opens DevTools. I've personally witnessed this happen to at least 3-4 production apps in the past year alone. KeyLeak Detector runs through your site (headless browser + network interception) and checks for 50+ types of leaked secrets: AWS/Google keys, Stripe tokens, database connection strings, LLM API keys (OpenAI, Claude, etc.), JWT…

    Nov 2025 · github.com · its alternatives →

  10. 10

    Free website security scanner that grades any site A to F

    May 2026 · its alternatives →

  11. 11

    Free website audit in 30 seconds: speed, SEO & security

    Jul 2026 · helix-code.es · its alternatives →

  12. 12

    Hi HN, I'm an Indie Dev. Building web apps, I struggled to check for vulnerabilities on a surface and a deeper level at the same time. Most free scanners gave vague results or missed dependency issues and tools for deeper searches are mainly for enterprise. Also with vibe coding the issue of security is rising more and more. I built SecureNow - a simple web scanner built with Next.js and Supabase that checks SSL, ports, dependencies, headers, and basic vulns. It caught real issues in my projects. Free basic scans at securenow.app. Feedback on accuracy and missing features? Thanks!

    Dec 2025 · securenow.dev · its alternatives →

  13. 13

    Check if your data has been compromised on the dark web.

    2025 · its alternatives →

  14. 14

    Free, sub-2s web security & DNS scanner.

    May 2026 · webaudit.in · its alternatives →

  15. 15

    Scan websites for real security issues in minutes

    May 2026 · vulnixsec.com · its alternatives →

  16. 16

    Analyze and test your website. Cookie scan.

    Dec 2025 · websiteauditkit.com · its alternatives →

  17. 17

    Last week I wrote about building a scanner that writes its own exploits. A cron job runs Claude Code every night, it reads new CVEs, writes proof-of-concept checks, tests them against vulnerable and patched Docker instances, and opens PRs. I review and merge in the morning. That post was about how t

    Feb 2026 · attackerview.com · its alternatives →

  18. 18

    Web Security Scanning & Monitoring

    2025 · its alternatives →

  19. 19

    Public website security scanner for headers and TLS

    Aug 2026 · defentrium.com · its alternatives →

  20. 20

    Free website security scanner 20+ checks, instant PDF report

    May 2026 · pulseshield.co.uk · its alternatives →

  21. 21

    Seo Checker and Website Health

    2025 · siteacademy.co.uk · its alternatives →

  22. 22

    Uptime monitoring & a free website security scan

    Jul 2026 · tellmewhendown.com · its alternatives →

  23. 23

    Scan any website for leaked secrets in seconds

    Feb 2026 · nullgaze-ohm8.vercel.app · its alternatives →

  24. 24

    Security scanning without the enterprise price tag

    Dec 2025 · its alternatives →

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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 →