Originally developed by Noel Danjou, AMCap (short for "ActiveMovie Capture") is a specialized software designed to capture video and still images from a variety of sources, including webcams, digital cameras, and video capture cards. It is highly compatible with Windows systems, supporting almost any DirectShow-compliant device. Windows-AMCap - Arducam Wiki

AMCap is a lightweight yet powerful video capture utility that has remained a favorite for years among users who need a no-nonsense tool for webcam recording. Whether you are troubleshooting a new camera, recording a quick video for a project, or adjusting hidden camera settings, AMCap provides a simple, direct-to-file solution.