RavenDB

RavenDB, the industry’s first nonrelational document database that is fully transactional throughout your database. It’s expertise in improving performance while maintaining ACID guarantees boosted performance by a factor of 10 over the previous version. Founded in 2008, the company also produces NHibernate and Entity Framework Profilers which are ORM tools used to monitor, inspect, analyze and suggest improvements to database access patterns in applications. Hibernating Rhinos serves Fortune 500 companies and enterprises both large and small to clients throughout North and South America, Asia, Africa, Australia, and Europe.