IP Cam Driver
IP Cam Driver 1.4 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program is included in System Tools. This software for Mac OS X was originally developed by Senstic. We recommend checking the downloaded files with any free antivirus.
From the developer:
IP Cam Driver is an app that turns your existing IP camera into a webcam for your computer.
With IP Cam Driver , you will be able to use your IP Camera with any apps that need a webcam, such as Skype, FaceTime, Message, Yahoo! Messenger, and QuickTime Player. You can also use it with web-based online chat such as Google Hangouts and Chatroulette.
You may want to check out more Mac applications, such as My IP, Angry IP Scanner or IP Address Menu, which might be related to IP Cam Driver.