V.R.C.C. (Video Remote Computer Camera) is a freeware and open source system that enables your smartphone to be used as a Webcam and lets you control the smartphone from the PC.
Show up to 4 streaming videos from USB Webcams concurrently on your display. Auto-detects current display settings. The software has a basic control panel to start up available devices sequentially.
HW Reqs: additional USB PCI hubs or USB ports.
Argo-Panoptes is a distributed surveillance system that allows video remote control using a smartphone or web browser as user interface. The system is able to alert the user about failures or motion detection by email, SMS or MMS.