SqlMetalInclude lets you simply and quickly modify the DBML file to remove unwanted tables/views from it, as well as being able to rename the entities giving more meaning in the generated code.
There
... [More] is also a GUI which lets you configure everything, including the SqlMetal config [Less]
One Query, Any Database - Write one Query and have it run on multiple Database Engines. OneQuery is a Database-agnostic query engine that focuses on allowing developers to write queries that will run
... [More] on multiple database engines. It is not an Object/Relational Mapper, at least not in its current incarnation. [Less]