TaniDVR is a CLI tool for managing and capturing video from Linux-based OEM surveillance DVRs which use DVR-IP protocol (p: 37777/TCP). It has been tested with Intelbras DVRs and is expected to work with brands such as DVR365, Q-See, GWave and other.
snavtclient is free open source network client program for CCTV security surveillance digital video recorders (DVR) manufactured by the AV TECH Corporation. For more information please see software web site: http://snavtclient.epipe.com/
QuickCapture is a simple and easily-extensible application with minimal dependencies, designed to capture and process images taken from web cams. It provides a robust feature set, and includes a plug-in system partly inspired by Pidgin.
Canon EOS class remote control utility for 300D, 350D, 30D, 20D and 5D. It is possible to control more of Canon cameras in the same time up to six cameras attached. Multican allows scripted remote control of multiple cameras.