Apps similar to Acunetix include SiteOne Crawler, which is free and open source. Other options are Burp Suite, OpenVAS, Zed Attack Proxy (ZAP) and Nessus. You're spoiled for choice with Vulnerability Scanners like Acunetix: we list more than 50 alternatives for the web, Linux, Windows, self-hosting and Mac.
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.
Czechia
EU
Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting...
United Kingdom
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.
The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.
Automated point-in-time assessments across various platforms discover vulnerabilities, detecting defects, malware, and misconfigurations while employing scoring systems to help prioritize remediation efforts and providing tools for both experienced users and newcomers.
United States
Lonkero is a high-performance web vulnerability scanner built in Rust for penetration testers and bug bounty hunters who are tired of slow, bloated tools that generate hundreds of false positives.
FinlandEU
Delivers comprehensive security with real-time backups, malware and spam protection, brute force defense, performance optimization via free CDN, analytics, AI-powered content tools, ad promotion, and design customization, regularly updated for compatibility.
United States
Wordfence includes an endpoint firewall and malware scanner that were built from the ground up to protect WordPress. Our Threat Defense Feed arms Wordfence with the newest firewall rules, malware signatures and malicious IP addresses it needs to keep your website safe.
United States
A web security portfolio offering a combination of on-premise installed security software in conjunction with a cloud hosted web application firewall and CDN.
United States
MalCare Security Service is a WordPress-specific security solution developed from the analysis of over 240,000 websites. It protects against threats like malware and hackers, ensuring constant security and accessibility.
India
PressVuln.com is a free, no-setup WordPress security scanner that instantly detects vulnerabilities in themes, plugins, or core files—no technical skills required.
Nikto is an Open Source (GPL) web server scanner which performs comprehensive tests against web servers for multiple items, including over 6400 potentially dangerous files/CGIs, checks for outdated versions of over 1000 servers, and version specific problems on over 270 servers.
United States
