DroidCam - DroidCam – Use your Android phone as a wireless webcam or an IP Cam!
IP Webcam - A universal network camera adapter for the Windows operating system.
Iriun Webcam - Use your phone's camera as a wireless webcam in your PC or Mac.
EpocCam - Turn your phone into a webcam
Kami Home - Kami Home makes it practical and effortless to guard and stay connected with the things, such as family, friends, pets, offices, accessories, and all the others that you love the most.
Camo - Use your iPhone or iPad as a pro webcam