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Snyk

Security scanning for code, open-source dependencies, containers, and infrastructure as code. · Snyk · Security

Overview

Snyk scans source code, open-source dependencies, containers, and infrastructure as code for security issues. The free plan covers 5 projects with a monthly test limit for each product.

Good fit

Use Snyk on small projects to catch vulnerable dependencies and code issues early, from the IDE, CLI, or pull requests.

  • open-source maintainers
  • side projects

Not a fit

Avoid if you need more than 5 projects or frequent SAST runs; the free test limits run out fast in CI.

  • large monorepos scanned on every commit
Quickstart · 3 steps
  1. Sign up at app.snyk.io with GitHub, GitLab, or email.
  2. Import a repository or install the Snyk CLI.
  3. Run snyk test in a project to see its issues.

Other free security options

Let's Encrypt · Security
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Billing risk: None
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GitGuardian · Security
Up to 25 developers · Unlimited real-time secret scanning · Up to 500 historical scan detections
Billing risk: None
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Cloudflare · Security
Up to 20 widgets per account · Works without other Cloudflare services
Billing risk: None
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Mozilla · Security
Free to scan any domain · Scan history is public · Free v2 API for scans
Billing risk: None
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