Angry IP Scanner is a free and open-source network scanning tool designed to quickly identify active devices on a network. It scans IP addresses and provides information such as hostname, MAC address, and open ports. The software is user-friendly, making it accessible for both beginners and experienced users. The tool is compatible with multiple operating systems, including Windows, macOS, and Linux. It can be used for various purposes, such as network management, troubleshooting, and security assessments. With its simple interface and efficient scanning capabilities, Angry IP Scanner is a popular choice among network administrators and IT professionals.