bobanjose 

A scaleable and easy to use BI framework writing in C#. Graphene can be used to track various Metrics similar to Graphite. It pre-aggregates the data and uses a document store (like MongoDB/RavenDB).... More information

API layer to publish messages to from Graphene client. Based on contribution from Steve Little. https://github.com/bobanjose/Graphene/blob/master/README.md