# OpenVAS vs Zentara AVAS: side-by-side comparison (2026)

[OpenVAS](https://cybersectools.com/tools/greenbone-openvas) is a free [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution. [Zentara AVAS](https://cybersectools.com/tools/zentara-avas) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Zentara](https://cybersectools.com/companies/zentara). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | OpenVAS | Zentara AVAS |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Vulnerability Assessment | Vulnerability Assessment |
| Verified | No | No |
| Deployment type | – | Cloud |
| Company size fit | – | SMB, Mid-Market, Enterprise |
| Company | – | Zentara |
| Headquarters | – | – |

### Use cases and capabilities

| | OpenVAS | Zentara AVAS |
|---|---|---|
| Open Source | Yes | – |
| CVE | – | Yes |
| Vulnerability | – | Yes |
| Vulnerability Prioritization | – | Yes |
| Zero Day | – | Yes |
| Natural Language Processing | – | Yes |
| Security Scanning | – | Yes |
| OWASP | – | Yes |
| NIST | – | Yes |
| Cloud Native | – | Yes |
| Threat Analysis | – | Yes |

### Core features

**OpenVAS**

No features listed.

**Zentara AVAS**

1 feature listed. Sign in on the page to see them.

### Integrations

**OpenVAS**

No integrations listed.

**Zentara AVAS**

3 integrations 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.

- [OpenVAS](https://cybersectools.com/tools/greenbone-openvas) fits if you need a free product.

## OpenVAS vs Zentara AVAS FAQ

Common questions when comparing OpenVAS vs Zentara AVAS for vulnerability assessment.

### What is the difference between OpenVAS and Zentara AVAS?

**OpenVAS**: OpenVAS is an open-source vulnerability scanner that provides extensive testing capabilities for identifying security weaknesses in networks and systems.

**Zentara AVAS**: Built by Zentara.

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

### Is OpenVAS a good alternative to Zentara AVAS?

Often, yes. OpenVAS and Zentara AVAS are both Vulnerability Assessment products. Key differences: OpenVAS is Free while Zentara AVAS is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [OpenVAS vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/greenbone-openvas-vs-positive-technologies-xspider-pro)
- [OpenVAS vs Spektion](https://cybersectools.com/compare/greenbone-openvas-vs-spektion)
- [OpenVAS vs Deepwatch Vulnerability Management](https://cybersectools.com/compare/deepwatch-vulnerability-management-vs-greenbone-openvas)
- [Zentara AVAS vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-zentara-avas)
- [Zentara AVAS vs Spektion](https://cybersectools.com/compare/spektion-vs-zentara-avas)
- [Zentara AVAS vs Deepwatch Vulnerability Management](https://cybersectools.com/compare/deepwatch-vulnerability-management-vs-zentara-avas)

## Alternatives to each

- [See all OpenVAS alternatives](https://cybersectools.com/alternatives/greenbone-openvas)
- [See all Zentara AVAS alternatives](https://cybersectools.com/alternatives/zentara-avas)

---

Source: https://cybersectools.com/compare/greenbone-openvas-vs-zentara-avas

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

More on OpenVAS and Zentara AVAS: 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