karbownicki shows an example with many screenshots of using wxCam for motion detection. wxWidgets is a cross-platform GUI and tools library for GTK, MS Windows, and MacOS, and wxCam use it. Camstream is a collection of tools for webcams and other video-devices, enhancing your Linux system with multimedia video. Qastrocam is a capture program that can work with any video4linux device. Its main purpose is to do astrophotography. It can control a telescope to do guiding with the images received from the video device. Revel (Really Easy Video Encoding Library) aims to be the shortest, simplest path between your application and high-quality, highly-compressed video file dumps. It makes it trivial to output MPEG-4 compressed AVI files (with or without audio) from any C/C++ application. Championship Generator came from the same author of wxCam. It produces a list of all the meetings which must occur between the participants of a championship.