You could have downloaded nfsGreenGlassMetaballs3D 4.4.4.380 for Mac from our application library for free. NfsGreenGlassMetaballs3D for Mac lies within Theming Tools, more precisely Screensavers. This free software for Mac OS X is an intellectual property of newfreescreensavers.
From the developer:
Slideshow, animated and 3D screensavers that will decorate your monitor with beautiful moving images. nfsGreenGlassMetaballs3D is a free 3D screensaver. The screensaver features a 3D glass ball that turning and changing its shape.
Within the installation, ads will be shown offering other interesting programs. You can add them or decline.
You may want to check out more software for Mac, such as scarytime v9, Christmas Tree Creator '04 or System47, which might be similar to nfsGreenGlassMetaballs3D.