A PC/Mac version of iCam has been requested in the past and is currently on our list of potential features to implement in the future. Unfortunately, we do not have any immediate plans to implement this feature.
You can view your webcam (video-only) from a remote desktop computer using iCamWeb:
http://skjm.com/icam/webiCamWeb uses a Java applet to connect to iCamSource, so Java must be installed on the computer.