Websecurify is described as 'Powerful web application security testing environment designed from the ground up to provide the best combination of automatic and manual vulnerability testing technologies' and is a penetration testing tool in the web browsers category. There are more than 25 alternatives to Websecurify for a variety of platforms, including Web-based, Windows, Linux, Mac and SaaS apps. The best Websecurify alternative is Burp Suite, which is free. Other great apps like Websecurify are Shodan, Criminal IP, wapiti and w3af.