HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
PracticeProtect - Network security & identity management
Intruder - Intruder is a security monitoring platform for internet-facing systems.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Invicti (formerly Netsparker) - Netsparker Security Scanner is a simple-yet-powerful web-based security scanner that automatically identifies XSS, SQL Injection, and all the other vulnerabilities and security flaws in sites, web apps, and web services.
Forcepoint Web Security Suite - Internet Security