dbForge SQL Tools - SQL Server tools for SQL database development
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
Devart Studio for SQL Server - dbForge Studio for SQL Server is a powerful SQL Server GUI Tool for SQL Server database management, administration, development, datareporting and analysis.
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
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
TiCodeX SQL Schema Compare - SQL Schema Compare supports Database schema compare for MS-SQL, mySQL and Postgres and runs on Windows, Linux and MacOS