SmartCam!

Turn your iPhone, BlackBerry, Windows Mobile or Symbian (Nokia only) smartphone into a high-quality wireless webcam. Connect it to a Mac (iPhone version only) or PC using a Wi-Fi connection, and share bright moments of your life that cannot be caught with a built-in webcam or USB camera!

EpocCam transforms your phone into wireless High Definition webcam for Windows PC. Now also supports Mac OS X. Compatible with Skype, Windows Live Messenger, Google+ Hangouts, Facebook Video Calling, Yahoo! Messenger, Chatroulette, YouTube and other applications.

DroidCam – Use your Android phone as a wireless webcam or an IP Cam!

A universal network camera adapter for the Windows operating system. Can be used with a variety of protocols, cameras with MJPG output or static images. Works with any application that uses DirectShow API, such as Skype, MSN messenger and Chatroulette.Works on Windows 2000/XP/Vista/7.

Turn your iPhone into a real webcamera and use it to video chat with your family and friends. With iWebcamera you can use your iPhone as webcamera in applications like Skype, Windows Live Messenger, Youtube and every other webcamera enabled application.

WO Webcam can turn your Android phone into PC webcam.

MyIpCam turns your phone into a hi quality customizable IP camera (or webcam).

PocketCam lets you use your Android device as a wireless webcam for your Windows-based computer or Mac (OS X 10.5 or above). PocketCam automatically forwards video captured by your Android device's built-in camera, which can then be used as if they come from a virtual webcam.