HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Rapid7 - Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now. DownloadPen testing software to act like an attacker.
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.
Forcepoint Web Security Suite - Internet Security
Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.