Audit your website security and web applications for SQL injection, Cross site scripting and other web vulnerabilities with Acunetix Web Security Scanner. Download Free Edition!



Intruder is described as 'Security monitoring platform for internet-facing systems' and is a vulnerability scanner in the security & privacy category. There are more than 50 alternatives to Intruder, not only websites but also apps for a variety of platforms, including Linux, Windows, SaaS and Mac apps. The best Intruder alternative is Burp Suite, which is free. Other great sites and apps similar to Intruder are Shodan, OpenVAS, Zed Attack Proxy (ZAP) and Nessus.
Audit your website security and web applications for SQL injection, Cross site scripting and other web vulnerabilities with Acunetix Web Security Scanner. Download Free Edition!



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.

Find security vulnerabilities right from your browser. Experience the next generation security tools without the need to install any additional software.




📈 Measure and control your application security state; 🔎 Scan your code, containers, web and mobile applications; 🔥 Remove duplicates, validate results, and create Jira tasks in seconds; 🕜 Save your engineers time and automate your processes; ? Self-hosted.



Netsparker is the only False-positive-free web application security scanner. Simply point it at your website and it will automatically discover the flaws that could leave you dangerously exposed.


Websecurify is a powerful web application security testing environment designed from the ground up to provide the best combination of automatic and manual vulnerability testing technologies.
Human-in-the-loop penetration testing enhanced with AI. Identify vulnerabilities faster, reduce risk, and stay audit-ready with actionable reports and real-time visibility.



Barrion helps developers and tech teams secure their web applications by automating security checks. It scans websites and web apps for common vulnerabilities, evaluates SSL/TLS and email security (SPF, DKIM, DMARC), and checks security headers and outdated software.

Tresal is a European cybersecurity platform that helps organizations identify and monitor their external attack surface. It scans internet-facing assets and cloud environments, providing real-time alerts, risk insights, and simple remediation tools.

Probely is a top-tier cloud-based DAST Scanner designed for DevOps, empowering Security and Development teams to work together to secure their web applications and APIs.




Guardius is a Software as a Service (SaaS) company designed to streamline and automate various IT needs for companies that operate their own websites or manage their own infrastructure. It is crucial for companies to safeguard their websites and infrastructure against potential...




Detectify automates the knowledge of the best ethical hackers in the world to secure websites against 1500+ known vulnerabilities beyond OWASP Top 10.


