The DDEX data provider for Firebird provides access to the Firebird databases in your Visual Studio projects. Many Visual Studio and Firebird versions are supported. This provider also gives the chance to use Enitity Framework. However for this purpose the version of the Firebird server shall be 2.5 or above. Installer registers assembly FirebirdSql.Data.FirebirdClient.dll in GAC, makes necessary changes to the machine.config and registry regarding a branch of data source of the Visual Studio.