Grafight is essentially a Graph Traversal Engine that is capable of performing a series of traversals using the power of General Purpose GPU architectures. I hope for it to be a proof of concept that will demonstrate why/why not Graph Databses that are already out there can benefit out of taking this approach.
The project is written partly in Ruby and Partly in C and requires a CUDA supporting GPU. The scripts that involve generating random graphs are written in Ruby (my choice of Language). The traversal engine is written in C simly for lack of other options.
I have not attached any licensing agreements to the code. If you want to copy it, by all means DO!

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I blog too - blog.ashwinraghav.com