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
Visualping
Description: Visualping is a website change monitoring tool that allows users to track changes on any webpage. It sends notifications via email, Slack, Teams, or RSS when there are updates to the content or code of a monitored page.
Type: software