Download of CamDesk 1.2 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within System Tools, more precisely Device Assistants. This free software for Mac OS X is a product of Michael Schwartz. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
CamDesk is a desktop webcam widget for your Mac. Using this application, you can easily capture images and make video recordings with your webcam device. In addition, you have the ability to adjust opacity and reduce obscurity. The tool supports switching from standard to high-quality resolution if supported by your webcam device.
You may want to check out more software for Mac, such as ToFi, iStar Composer or Portable Nvu, which might be related to CamDesk.