# Chainguard Libraries vs npm-zoo: side-by-side comparison (2026)

[Chainguard Libraries](https://cybersectools.com/tools/chainguard-libraries) is a commercial [software supply chain security](https://cybersectools.com/categories/software-supply-chain-security) solution by [Chainguard](https://cybersectools.com/companies/chainguard). [npm-zoo](https://cybersectools.com/tools/npm-zoo) is a free [software supply chain security](https://cybersectools.com/categories/software-supply-chain-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Chainguard Libraries | npm-zoo |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Software Supply Chain Security | Software Supply Chain Security |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 20 |
| Last commit | – | Mar 2019 |
| Company | Chainguard | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Chainguard Libraries | npm-zoo |
|---|---|---|
| Software Supply Chain | Yes | – |
| Supply Chain Security | Yes | Yes |
| Package Security | Yes | Yes |
| SBOM | Yes | – |
| npm | Yes | Yes |
| Dependency Scanning | Yes | – |
| Security Research | – | Yes |
| Node.js | – | Yes |
| Threat Feed | – | Yes |

### Core features

**Chainguard Libraries**

8 features listed. Sign in on the page to see them.

**npm-zoo**

No features listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [npm-zoo](https://cybersectools.com/tools/npm-zoo) fits if you are a startup, you need a free product and you want an open-source product.

## Chainguard Libraries vs npm-zoo FAQ

Common questions when comparing Chainguard Libraries vs npm-zoo for software supply chain security.

### What is the difference between Chainguard Libraries and npm-zoo?

**Chainguard Libraries**: Malware-resistant software libraries rebuilt from source for multiple languages. Built by Chainguard.

**npm-zoo**: Npm-zoo is a curated database of known malicious NPM packages that helps developers and security researchers identify and avoid potentially harmful dependencies in their projects.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Chainguard Libraries and npm-zoo?

**Chainguard Libraries** is made by Chainguard. **npm-zoo** is open-source with 20 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Chainguard Libraries a good alternative to npm-zoo?

Often, yes. Chainguard Libraries and npm-zoo are both Software Supply Chain Security products, and both cover npm, Supply Chain Security, Package Security. Key differences: Chainguard Libraries is Commercial while npm-zoo is Free, npm-zoo is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Chainguard Libraries vs Veracode Secure Your Software Supply Chain](https://cybersectools.com/compare/chainguard-libraries-vs-veracode-secure-your-software-supply-chain)
- [Chainguard Libraries vs Varnish Artifact Firewall](https://cybersectools.com/compare/chainguard-libraries-vs-varnish-artifact-firewall)
- [Chainguard Libraries vs Hunted Labs](https://cybersectools.com/compare/chainguard-libraries-vs-hunted-labs)
- [npm-zoo vs Veracode Secure Your Software Supply Chain](https://cybersectools.com/compare/npm-zoo-vs-veracode-secure-your-software-supply-chain)
- [npm-zoo vs Varnish Artifact Firewall](https://cybersectools.com/compare/npm-zoo-vs-varnish-artifact-firewall)
- [npm-zoo vs Hunted Labs](https://cybersectools.com/compare/hunted-labs-vs-npm-zoo)

## Alternatives to each

- [See all Chainguard Libraries alternatives](https://cybersectools.com/alternatives/chainguard-libraries)
- [See all npm-zoo alternatives](https://cybersectools.com/alternatives/npm-zoo)

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Source: https://cybersectools.com/compare/chainguard-libraries-vs-npm-zoo

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/chainguard-libraries.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Chainguard Libraries and npm-zoo: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md