Archive notice: This article was originally published on December 2, 2013. Links and embedded videos are preserved as part of the historical record.
The StudioPack is developed by Mark Jackson. The senior pipeline TD currently works for Crytek UK. The Studio Pack therefore also works wonderfully in the Crytek pipeline. According to the artist, the Red9 Studio Tools arose out of necessity because he missed many of these features in Maya. The whole thing is based on open source. Under the "Buy me a beer :-)" button, however, you can show your appreciation with a small donation.
Mark announces extensive innovations, including new presets for rigs and hair. Here is the video about the update, and this way to the download.