Download of GrabCam 1.0 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 program is categorized as Audio & Video Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
GrabCam takes live video from Apple's iSight (or another third party DV camera) and generates superfluous effects in OpenGL. Its pretty fun to play around with.