Webcamoid - Webcamoid is a full featured webcam capture application.
Iriun Webcam - Use your phone's camera as a wireless webcam in your PC or Mac.
Kamoso - Kamoso is a webcam recorder from KDE community.
iVCam - iVCam transforms your Mobile Phone / Pad into a webcam for Windows PC.
Cameroid - Just like Photo Booth - exept is online. Have fun with your webcam. Apply text and funny effects.
IP Webcam - A universal network camera adapter for the Windows operating system.