Picks · @emircitakFree code security scanners

Security scanners with a free plan, for teams without a security budget.

by @emircitak

9 products. Hand-picked, as of Aug 16.

This week

No changes. Same list as last week.

  • 01

    Free plan on their own pricing page.

    Find & redact leaked secrets in AI coding-agent history

  • 02

    You can start without paying.

    A single-binary desktop app that scans websites, APIs and OSINT sources for security issues — a scanning tool for security-minded developers, not a hosted API service itself.

  • 03

    A free tier they state themselves, not one we assumed.

    An IP intelligence API that flags VPNs, proxies, Tor nodes and other fraud signals for geolocation, access control and fraud prevention. A developer and business security API.

  • 04

    Free plan on their own pricing page; paid starts at $99/month.

    Find & fix live vulnerabilities in Vibe Apps with 1-prompt.

  • 05

    You can start without paying. Paid tier: $19 /mo.

    An AI security agent that scans a live app for vulnerabilities like exposed keys and broken access control, proves each exploit is real, and opens a pull request with the fix, for developers shipping AI-built apps, instead of manual security audits.

  • 06

    A free tier they state themselves, not one we assumed.

    Scans any web app for PII and other sensitive information to help protect it.

  • 07

    Free plan on their own pricing page.

    Scans your codebase for security vulnerabilities and helps developers understand and fix them inside their normal workflow, for engineering teams.

  • 08

    You can start without paying. Paid tier: $49 /mo.

    A security scanning tool that red-teams an LLM endpoint with adversarial test cases and produces an audit report mapped to the OWASP LLM Top 10.

  • 09

    A free tier they state themselves, not one we assumed.

    A free web scanner that checks apps built with Lovable, Bolt or v0 for leaked API keys, open databases and missing security headers, no signup needed.