Mondrian is an OLAP (online analytical processing) engine written in Java. It reads from JDBC data sources, aggregates data in a memory cache, and implements the MDX language and the olap4j and XML/A APIs.
A database client cache library, now support SQLServer;
Supports .NET and COM;
The first supports cross process/machine client query cache;
Simple O/R mapping;
Even faster than general raw coded method;
Excellent than Hibernet.NET when doing query.
ChaiDB is an embedded data storage developed at the kernel level by using B-Tree implementation. It is a natural database choice for name/value applications such as JSON. JSON-Cache utilizes ChaiDB to provide persistence and cache solution for JSON data.
Paos is a server for Python objects and event notifications, and comes with a client module for network communication and object cache management. Paos is often used in workflow systems and similar applications.