1 Open Source Alternatives to Tenable Nessus
A list of 1 carefully selected open-source alternatives to Tenable Nessus.

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.
If you’re looking for alternative features or workflows, here is a prepared detailed list of Tenable Nessus open-source alternatives — each with its own distinctive strengths and key features.
Nuclei is a fast, customizable vulnerability scanner that leverages a simple YAML-based DSL for creating tailored scanning templates. It harnesses community collaboration to detect vulnerabilities in applications, APIs, networks, DNS, and cloud configurations, making it an essential tool for security professionals.

Key Features
- Fast and efficient scanning engine
- Customizable YAML-based templates
- Community-driven vulnerability detection
- Capability to scan applications, APIs, networks, DNS, and cloud configurations
- Adaptable to emerging security threats
Nuclei is designed to perform efficient and precise vulnerability scanning by utilizing community-driven, YAML-based templates. It enables users to quickly adapt their scans to emerging threats and trending vulnerabilities, supporting a wide range of targets including web applications, APIs, network assets, DNS, and cloud setups. Its flexibility and speed offer an effective solution for automating security assessments.