Pretty cool. Something to note:
Work in progress, which I interpret to mean as time goes on, more documentation will be uploaded and more source code will be opened and pushed.
Pretty good initiative on their part. Some are speculating this is to help with mobile, but Nvidia isn’t 100% proprietary. They have a ton of open source stuff released (and have had it for a while). They might just be looking to improve their stock on the Linux side.