Nmap
Description: Nmap is an open source network discovery and security auditing tool. It is used to discover hosts and services on a network and to detect potential vulnerabilities.
Type: software
Pricing: Free
Pingdom
Description: Pingdom is a website monitoring service that checks uptime, performance, and speed of websites. It provides real-time alerts, detailed uptime and performance reports, and analytics on website issues.
Type: software
Pricing: Freemium