Database .NET is a Free multiple database manager. which supports many database applications like
Microsoft Access, Excel, SQLite, Firebird, dBase, FoxPro, OData, Generic OLEDB, Generic ODBC, SQL Server, LocalDB, SQL Server Compact, SQL Azure, MySQL, Oracle, IBM DB2, IBM Informix, PostgreSQL, Sybase ASE.
The main advantage of this application is that , you do not have to install this application, it is a portable one which you can keep in your pen drive or any portable storage devices.
(Windows XP/2003/Vista/2008/7) Make sure you have the .NET Framework 4.0 Full installed.
(Windows 8/2012) Compatible with .NET Framework 4.5
Read more and download Database.Net from here