FurryBall is incredibly fast real-time GPU production quality UNBIASED and BIASED final frame renderer. FurryBall was specially created for purposes of CGI animated movies.

FurryBall offers advanced rendering techniques, direct support for Maya, 3DS Max and Cinema 4D. Each license can be used by all three 3D applications for FREE. FurryBall fully supports multi GPU rendering for scalable GPU accelerated final frame rendering.
The renderer was developed by AAA studio and has been used on many productions since 2008 by Blizzard, Valve, Hydrogen Whiskey Studios, Postmodern, Xantus, WinSing, Cluster Studio, Moon Bites, WinSing, Pixals, Full Dimensional and many more.

Now you can use FurryBall for FREE and without any watermark if you use it for NON COMMERCIAL purposes.
More info here: http://furryball.aaa-studio.eu/products/freeVersion.html