htop
Description: htop is an interactive process viewer for Linux. It is similar to the default top command but with a customizable interface, additional features, and improved usability.
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