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
Stackdriver
Description: Stackdriver is a monitoring, logging, and diagnostics platform by Google Cloud. It provides performance monitoring, uptime checking, dashboards, alerting, log management, and troubleshooting for cloud services and applications.
Type: software