DataWeigher - The DataWeigher is the tool to compare and synchronize data.
Full Convert - Full Convert is industry standard for database migration. Supports 40 database formats and offers unparalleled speed and customization.
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
DBConvert Studio - Database migration/ sync software for data conversion and replication.
Replicator - Easily replicate database table data - even with heterogeneous databases.
ESF Database Migration Toolkit - ESF Database Migration Toolkit enables transfer of data between various database formats without writing any scripts.