Acunetix WVS : Commercial Web Vulnerability Scanner
Acunetix WVS automatically checks web applications for vulnerabilities such as SQL Injections, cross site scripting, arbitrary file creation/deletion, weak password strength on authentication pages. AcuSensor technology detects vulnerabilities which typical black box scanners miss. Acunetix WVS boasts a comfortable GUI, an ability to create professional security audit and compliance reports, and tools for advanced manual webapp testing.
N-Stealth
N-Stealth : Web server scanner N-Stealth is a commercial web server security scanner. It is generally updated more frequently than free web scanners such as