A computer algebra and symbolic mathematics library written in C# as a foundation for an abstract physical simulation library with heavy emphasis in tree-based expression structures, operation rules as collections of anonymous functions, and object classification via metadata from attributes.
It is important to note that most changes as of 7/14/2015 have been imports from the closed-source variant of the code. In addition, I am currently re-writing most of the core structure of the code and should be uploading the changes shortly.