Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Developed by Gordon Lyon (Fyodor)
License: Open Source
Nmap is a powerful open-source tool favored by network professionals for its advanced features and customization options, while Softperfect Network Scanner offers a user-friendly GUI, making it more accessible for beginners. Nmap excels in complex network auditing tasks, whereas Softperfect is better suited for basic scanning and inventory needs.