DataWeigher - The DataWeigher is the tool to compare and synchronize data.
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
Replicator - Easily replicate database table data - even with heterogeneous databases.
CompareData - Strobe Use camera flash as a strobe light or as a flashlight
DBComparer - Free Compare database tool - DBComparer 3.0 is a professional compare database tool for comparing Microsoft SQL Server 2008 (and 2005) database structure.
ApexSQL Diff - SQL compare - Compare SQL schemas from databases, backups, scripts and source control