Nmap

Nmap helps you discover hosts and services on a computer network. It provides information about open ports, running services, and security vulnerabilities.

Key Features

• Detects open ports and services.
• Identifies operating systems and device types.
• Supports a wide range of scanning techniques.
• Includes a scripting engine for advanced tasks.
• Cross-platform compatibility (Linux, Windows, UNIX, FreeBSD).

Pros

• Completely free and open-source.
• Robust community support and documentation.
• Highly customizable with scripts.
• Regular updates and improvements.

Cons

• Steep learning curve for beginners.
• Advanced features may overwhelm new users.
• Limited graphical interface options.
• May require manual configuration for optimal use.