What are the key differences between Tenable Nessus Essentials and OpenVAS (Greenbone)?

Compare Tenable Nessus Essentials and OpenVAS (Greenbone) side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Tenable Nessus Essentials and OpenVAS (Greenbone) scored?

Tenable Nessus Essentials has an AI score of 8.5/10 and OpenVAS (Greenbone) has an AI score of 8.7/10. Scores are based on features, user satisfaction, and overall quality analysis.

Tenable Nessus Essentials vs OpenVAS (Greenbone) 2026 — Compared

Tenable Nessus Essentials

OpenVAS (Greenbone)

WINNER OpenVAS (Greenbone)

OpenVAS (Greenbone) edges ahead with a score of 8.7/10 compared to 8.5/10 for Tenable Nessus Essentials. While both are...

Tenable Nessus Essentials

8.5 Very Good

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emoji_events WINNER

OpenVAS (Greenbone)

8.7 Very Good

Antivirus Get OpenVAS (Greenbone) open_in_new

psychology AI Verdict

OpenVAS (Greenbone) edges ahead with a score of 8.7/10 compared to 8.5/10 for Tenable Nessus Essentials. While both are highly rated in their respective fields, OpenVAS (Greenbone) demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: OpenVAS (Greenbone)

verified Confidence: Low

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description Overview

Tenable Nessus Essentials

Nessus Essentials is the free, entry-level version of the industry-standard Nessus scanner. It is designed for students, educators, and small businesses that need to scan a limited number of IP addresses (up to 16). It provides the same high-quality scanning engine as the professional version, making it an excellent tool for learning vulnerability management or performing basic security audits on...

OpenVAS (Greenbone)

OpenVAS is the most capable open-source vulnerability scanner available. It is a full-featured framework that provides comprehensive scanning, vulnerability testing, and reporting. While it lacks the polished UI and automated remediation workflows of commercial enterprise platforms, it is incredibly powerful for security researchers, small businesses, and organizations with limited budgets. It is...