Detectify is a website and application security scanning service that helps companies and individuals detect, protect and monitor their websites for potential security threats. It provides a comprehensive and automated security assessment of websites and web applications to identify vulnerabilities, such as cross-site scripting, SQL injection, remote command execution, and other threats. It also offers regular vulnerability scans and active monitoring to alert users of new threats. The service also includes a web application firewall and can be integrated with other security tools. Detectify is designed to help users secure their websites, applications and networks, and help them protect their customers' data.
Probe.ly
Websecurify
SecApps
PENTESTON
Intruder
PatrolServer
Barricade
ProtectWise
Tinfoil Security
sploit.io
The discontinued Barricade was sold to Sophos and they "shut down" the website/business.