lunaOrm - Datalayer CodeGenerator for Vb.Net and C#
lunaORM is an ORM open source and freely downloadable automatic codegenerator to facilitate and standardize the writing of classes that read/edit/save data to database.
A Mapping generator for NHibernate (NH) via FluentNH and NH.Burrows. Generate source code in C# to access MySql or SQL Server dbs. VB.Net may be supported eventually. See Develop > News menu for updates and release notes.