I’ve knocked up a .Net client for the NoSQL Database Neo4j. Specifically, it’s an API the new Cypher Transactional Endpoint.
I’ve put the code over here.
If you haven’t used Neo4j (or any graph Database) you should head over here and check it out. And for a really cool look at graphs in action, check out Rik’s awesome articles on using Neo4j with Beer and IKEA.