Entity Developer Express is a powerful freeware LINQ to SQL modeling and code generation tool.

You can design LINQ to SQL entity models from scratch or reverse-engineer an existing database, in which case you will have the classes and the relations with just several clicks.

Entity Developer for SQL Server uses standard Microsoft SqlClient, LINQ to SQL, and Entity Framework, all of them bundled with .NET Framework 3.5 SP1.

[3M] [WinXP/Vista] [FREE]