XML-Sitemaps.com - Free Online Google Sitemap Generator.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
DYNO Mapper - Create Sitemaps with the DYNO Mapper Visual Sitemap Generator.
Tenable.io - Tenable.io Cyber Exposure platform helps to protect any asset on any computing platform and eliminate blind spots.
PowerMapper - Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily.
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.