Downping
Description: Downping is a free open-source website monitoring tool that checks if websites are up and running, and sends notifications if a site goes down. It pings sites regularly to check uptime and response time.
Type: software
Pricing: Open Source
Nessus
Description: Nessus is a vulnerability scanner used to scan networks and systems for security vulnerabilities. It is one of the most popular vulnerability assessment tools.
Type: software