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
DataWeigher - The DataWeigher is the tool to compare and synchronize data.
Replicator - Easily replicate database table data - even with heterogeneous databases.
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
DBConvert Studio - Database migration/ sync software for data conversion and replication.
ApexSQL Diff - SQL compare - Compare SQL schemas from databases, backups, scripts and source control