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
WebSite-Watcher
Description: WebSite-Watcher is a website monitoring tool that checks websites periodically for changes or broken links. It sends alerts when issues are detected, allowing webmasters to stay on top of their sites.
Type: software