lunaOrm - Datalayer Code Generator for Vb.Net and C#
lunaORM is an ORM open source and freely downloadable automatic code generator 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 SQLServer dbs. VB.Net may be supported eventually. See Develop > News menu for updates and release notes.
The Tenor Framework is a set of utilities to improve development of web projects, although it can be used on desktop projects. The main goal is to simplify mapping relational tables to entities, in a simple and maintainable way.