UCheck - UCheck is a tool that will help you to keep your software updated.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
HEIMDAL FREE - HEIMDAL FREE is an application to automate your device software updates in order to improve your security.
Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
Avira Software Updater - Application that searches updates for software on your computer
AlienVault USM (from AT&T Cybersecurity) - AlienVault USM Anywhere delivers powerful threat detection, incident response, and compliance management for cloud, on-premises, and hybrid environments.