Invantive SQL - Invantive's custom SQL parser and processing engine is a feature-rich set of SQL statements...
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
a7 SqlTools - Tools for MS Sql management with search, explore and comparison functionality.
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
CData ODBC Drivers - Live data connectivity from any application that supports ODBC interfaces.
MssqlMerge - MssqlMerge is an easy to use diff & merge tool for Microsoft SQL Server databases.