CamPSA is a webcam software that can monitor the video signal from a camera and detect if any part of the selected area of the image has changed. It sends out WAV sound or JPEG file on detecting motion. It makes snapshots of the movement in JPEG format. You can use it for real time viewing locally or remotely. It has the following options to perform after detecting motion : record JPEG file on disc, transfer the image to a distant site in FTP, start audio recording, send email, play sound or execute external application. This tool uses windows multimedia device for detection movement.