Metro is a high-performance, extensible, easy-to-use web service stack. It is a one-stop shop for all your web service needs, from the simplest hello world web service to reliable, secured, and transacted web service that involves .NET services.
Hibernate is a powerful, high performance object/relational persistence and query service. Hibernate lets you develop persistent classes following object-oriented idiom - including association, inheritance, polymorphism, composition, and collections. Hibernate allows you to express queries in its own portable SQL extension (HQL), as well as in native SQL, or with an object-oriented Criteria and Example API.
The ObjectARX® programming environment provides object-oriented C++, C# and VB .NET application programming interfaces for developers to use, customize, and extend AutoCAD® software and AutoCAD-based products like AutoCAD® Architecture, AutoCAD® Mechanical, and AutoCAD® Land Desktop software.