Is an add-in for Visual Studio that adds functionality to the Linq-to-SQL / DBML diagram designer, and to the ADO.NET Entity Framework designer in Visual Studio 2008, 2010, 2012, and 2013.
Huagati DBML/EDMX Tools integrates with Visual Studio and adds useful new functionality to the built-in designers for Linq-to-SQL and Entity Framework in Visual Studio. Among the features added to Visual Studio by the add-in are: synchronize your Linq-to-SQL models with the underlying database and any database schema changes, compare and synchronize database, SSDL, and CSDL model in Entity Framework 4 models (VS2010/VS2012/VS2013), mass-rename Linq-to-SQL and Entity Framework generated entity classes and their members to use .net naming conventions, generate documentation comments for L2S and EF entity classes from the database, generate SQL-DDL scripts from Linq-to-SQL and Entity Framework models.
“One shortcoming of the Visual Studio LINQ to SQL designer is that there is no mechanism to update the object model to reflect the latest database changes.”
“This shortcoming is a non-issue with the Huagati DBML/EDMX Tools, …”
MSDN Magazine, December 2009