# Chaos Client vs Cylana EASM: side-by-side comparison (2026)

[Chaos Client](https://cybersectools.com/tools/chaos-client) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. [Cylana EASM](https://cybersectools.com/tools/cylana-easm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Cylana](https://cybersectools.com/companies/cylana). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.

## Side-by-side comparison

| | Chaos Client | Cylana EASM |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | External Attack Surface Management | External Attack Surface Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | 763 | – |
| Last commit | Apr 2024 | – |
| Company | – | Cylana |
| Headquarters | – | – |

### Use cases and capabilities

| | Chaos Client | Cylana EASM |
|---|---|---|
| Reconnaissance | Yes | Yes |
| Network Discovery | – | Yes |
| Subdomain Enumeration | – | Yes |
| Attack Detection | – | Yes |
| Security Scanning | – | Yes |
| Inventory | – | Yes |
| Network Mapping | – | Yes |
| Visibility | – | Yes |
| Vulnerability | – | Yes |
| Digital Risk Protection | – | Yes |

### Core features

**Chaos Client**

No features listed.

**Cylana EASM**

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

## Which one fits you

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

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

## Chaos Client vs Cylana EASM FAQ

Common questions when comparing Chaos Client vs Cylana EASM for external attack surface management.

### What is the difference between Chaos Client and Cylana EASM?

**Chaos Client**: A Go client to communicate with Chaos DB API.

**Cylana EASM**: AI-powered EASM platform for digital asset discovery and monitoring, built by Cylana.

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

### Who makes Chaos Client and Cylana EASM?

**Chaos Client** is open-source with 763 GitHub stars. **Cylana EASM** is made by Cylana. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Chaos Client a good alternative to Cylana EASM?

Often, yes. Chaos Client and Cylana EASM are both External Attack Surface Management products, and both cover Reconnaissance. Key differences: Chaos Client is Free while Cylana EASM is Commercial, Chaos Client is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Chaos Client vs Attaxion](https://cybersectools.com/compare/attaxion-vs-chaos-client)
- [Chaos Client vs Vulneri ASM](https://cybersectools.com/compare/chaos-client-vs-vulneri-asm-attack-surface-management)
- [Chaos Client vs MGM Security Partners recon me](https://cybersectools.com/compare/chaos-client-vs-mgm-security-partners-recon-me)
- [Cylana EASM vs Attaxion](https://cybersectools.com/compare/attaxion-vs-cylana-easm)
- [Cylana EASM vs Vulneri ASM](https://cybersectools.com/compare/cylana-easm-vs-vulneri-asm-attack-surface-management)
- [Cylana EASM vs MGM Security Partners recon me](https://cybersectools.com/compare/cylana-easm-vs-mgm-security-partners-recon-me)

## Alternatives to each

- [See all Chaos Client alternatives](https://cybersectools.com/alternatives/chaos-client)
- [See all Cylana EASM alternatives](https://cybersectools.com/alternatives/cylana-easm)

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Source: https://cybersectools.com/compare/chaos-client-vs-cylana-easm

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

More on Chaos Client and Cylana EASM: 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