1)   DB Explorer 3.0.0
Compare two database schemas and/or table data rows and report differences. Synchronise the differences for one or other database. Sync Schema generates the SQL DDL statements. Sync Data either transfers the rows or generates SQL DML statements.

 2)   AdeptSQL Diff 1.90 Build 57
With AdeptSQL Diff, you can visually compare two MS SQL Server databases, then produce and execute difference scripts for a choosen part or for the whole schema. Also compares table data. Very fast and easy to operate.

 3)   Database Restyle 1.0
Database Restyle offers a new approach to DB structure synchronization since this component is integrated into your program. The product is run time royalty free. Full source code is available. A library is developed for SQL Server 2005, .Net 2.0

 4)   DBTyP.NET 2009
DBTYP.NET Studio 2009 is high speed intuitive tool for visual cross database comparison and synchronization that performs structure and data comparisons of SQL Server, MySQL and Oracle databases.