One of the most simple surveillance software

Webcam Commander turns your PC into a video surveillance system. Aimed at the home and small business user, the system allows the capture, storage and playback of images from multiple USB Webcams or IP cameras. The software incorporates advanced features, such as a drag and drop user interface, motion detection, remote viewing video over the Internet.

Webcam Commander is one of the best in terms of usability and system resource usage. It comes with the right balance of features which makes the program easy to use and configure.
The application also saves disc space and equipment costs. Time-lapse (one frame per second) mode is available for storage.