CCG (Crud Class Generator) is a ORM tool for .Net
lunaOrm - Datalayer Code Generator for Vb.Net and C#
Mark Stephen Sobkow's Code Factory
Auto code generation for many languages.
PhantomDB ORM es una librería para mapear objetos a bases de datos
CRUD framework with a generic Web UI and integrated micro ORM.
ELEFLEX is a C# framework for SOA, ESB and code generation solutions.