# Greymatter.io vs Romana: side-by-side comparison (2026)

[Greymatter.io](https://cybersectools.com/tools/greymatterio) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution by [Greymatter.io](https://cybersectools.com/companies/greymatterio). [Romana](https://cybersectools.com/tools/romana) is a free [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Greymatter.io | Romana |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Microsegmentation | Microsegmentation |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | – | 249 |
| Last commit | – | Dec 2018 |
| Company | Greymatter.io | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Greymatter.io | Romana |
|---|---|---|
| Zero Trust Architecture | Yes | – |
| ZTNA | Yes | – |
| Microsegmentation | Yes | – |
| Network Segmentation | Yes | – |
| Cloud Native | Yes | Yes |
| DevSecOps | Yes | – |
| Kubernetes | Yes | Yes |
| Observability | Yes | – |
| Agentic AI Security | Yes | – |
| Policy | – | Yes |
| AWS | – | Yes |

### Core features

**Greymatter.io**

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

**Romana**

No features listed.

### Integrations

**Greymatter.io**

4 integrations listed. Sign in on the page to see them.

**Romana**

No integrations listed.

## Which one fits you

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

- [Romana](https://cybersectools.com/tools/romana) fits if you are a small business, you need a free product and you want an open-source product.

## Greymatter.io vs Romana FAQ

Common questions when comparing Greymatter.io vs Romana for microsegmentation.

### What is the difference between Greymatter.io and Romana?

**Greymatter.io**: Zero trust service mesh platform for apps, APIs, and AI across hybrid cloud. Built by Greymatter.io.

**Romana**: Romana automates cloud-native network isolation and distributed firewall policies for Kubernetes and OpenStack environments using topology-aware IPAM without overlays.

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

### Who makes Greymatter.io and Romana?

**Greymatter.io** is made by Greymatter.io. **Romana** is open-source with 249 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Greymatter.io a good alternative to Romana?

Often, yes. Greymatter.io and Romana are both Microsegmentation products, and both cover Kubernetes, Cloud Native. Key differences: Greymatter.io is Commercial while Romana is Free, Romana is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Greymatter.io vs Tigera Calico Enterprise](https://cybersectools.com/compare/greymatterio-vs-tigera-calico-enterprise)
- [Greymatter.io vs Isovalent Cilium Mesh](https://cybersectools.com/compare/greymatterio-vs-isovalent-cilium-mesh)
- [Greymatter.io vs Avocado Protect](https://cybersectools.com/compare/avocado-protect-vs-greymatterio)
- [Romana vs Tigera Calico Enterprise](https://cybersectools.com/compare/romana-vs-tigera-calico-enterprise)
- [Romana vs Isovalent Cilium Mesh](https://cybersectools.com/compare/isovalent-cilium-mesh-vs-romana)
- [Romana vs Avocado Protect](https://cybersectools.com/compare/avocado-protect-vs-romana)

## Alternatives to each

- [See all Greymatter.io alternatives](https://cybersectools.com/alternatives/greymatterio)
- [See all Romana alternatives](https://cybersectools.com/alternatives/romana)

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Source: https://cybersectools.com/compare/greymatterio-vs-romana

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

More on Greymatter.io and Romana: 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