The DNRNotes set of wiki pages is where DNR personnel keep track of various system-related items, including system documentation, design guidelines, operational notes, and other such entities.
Most of the information appearing in the DNRNotes section should be considered "for internal use only".
I moved the DNR/CBI public Amazon.com wish list to a new page.
The DNRPub directory contains files and other stuff that might be worth looking at.
Useful tutorial on writing a programming language using the Parrot Compiler Toolkit -- http://www.parrotblog.org/2008/03/targeting-parrot-vm.html