A free tool for Entity Framework and LINQ to SQL modeling and code generation.
Entity Developer is a free of charge powerful modeling and code generation tool for ADO.NET Entity Framework and LINQ to SQL. You can design an entity model from scratch or Reverse-engineer an existing database, in which case you will have the classes and the relations with just several clicks. The model is used to generate C# or Visual Basic code with flexible predefined code templates. You can also customize the templates to fit all your needs.

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.

Key Features:
* ADO.NET Entity Framework support
* LINQ to SQL support
* Visual Schema modelling
* Customizable and intuitive user interface
* Reverse engineering (database object to entity model)
* Well-thought predefined templates for class generation
* GUI for predefined templates
* State-of-art diagram with zooming
* Diagram overview and printing
* Undo/Redo support
* One-click help system
* Visual Studio is not required
* Free of charge

new:
* Fixed bug with wrong IDE configuration path
* Fixed bug with VS Template
* Fixed bug with model placed in non-root project folder you can free download Entity Developer Express 2.50.55 now.