Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
Ossec - OSSEC is an Open Source Host-based Intrusion Detection System.
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
osquery - Utilities, Application Utilities, and Desktop Querying Tools
BreachLock - BreachLock is a versatile platform that provides scalable and smooth penetration testing services for vulnerabilities.
Change Tracker Enterprise - NNT Change Tracker uses either an agent-based or agentless architecture and scans the devices and compares them to a standard policy.