Open Source Nessus AlternativesTop Vulnerability Scanners and other similar apps like Nessus

A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.

Metasploit Community Edition simplifies network discovery and vulnerability verification for specific exploits, increasing the effectiveness of vulnerability scanners such as Nexpose - for free. This helps prioritize remediation and eliminate false positives, providing true...

The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.

An all-in-one hacking tool to remotely exploit Android devices using ADB and Metasploit-Framework to get a Meterpreter session.

SCAP is a line of standards managed by NIST. It was created to provide a standardized approach to maintaining the security of enterprise systems, such as automatically verifying the presence of patches, checking system security configuration settings, and examining systems for...

Nuclei is used to send requests across targets based on a template, leading to zero false positives and providing fast scanning on a large number of hosts. Nuclei offers scanning for a variety of protocols, including TCP, DNS, HTTP, SSL, File, Whois, Websocket, Headless etc.

A fully automated, active web application security reconnaissance tool. Key features: High speed: pure C code, highly optimized HTTP handling, minimal CPU footprint - easily achieving 2000 requests per second with responsive targets.

A general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

RedEye is an open-source analytic tool developed by CISA and DOE’s Pacific Northwest National Laboratory to assist Red Teams with visualizing and reporting command and control activities. This tool, released in October 2022 on GitHub, allows an operator to assess and display...

BabySploit is a penetration testing toolkit aimed at making it easy to learn how to use bigger, more complicated frameworks like Metasploit. With a very easy to use UI and toolkit, anybody from any experience level will find...

Strobes is an integrated cybersecurity platform that combines Attack Surface Management, Penetration Testing-as-a-service, and Risk-Based Vulnerability Management to continuously manage your threat exposure.

kube-hunter hunts for security weaknesses in Kubernetes clusters. The tool was developed to increase awareness and visibility for security issues in Kubernetes environments. You should NOT run kube-hunter on a Kubernetes cluster that you don't own!