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
Zenmap
Description: Zenmap is an open-source graphical user interface for the Nmap network scanner. It allows users to easily run scanning presets, view and save scan results, compare scan results, and generate reports.
Type: software
Pricing: Open Source