CData ODBC Drivers - Live data connectivity from any application that supports ODBC interfaces.
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
CData ADO.NET Providers - A Powerful Way to Connect Your .NET Applications.
Redgate SQL Data Compare - Use Redgate SQL Data Compare to compare and synchronize static, lookup, and reference data in your SQL Server database - try it free
Data Virtuality - Learn more about our all-around data management solution and how to replicate, model, and automate all your data with SQL in real time.
MssqlMerge - MssqlMerge is an easy to use diff & merge tool for Microsoft SQL Server databases.