RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
ApexSQL Monitor - SQL Server performance monitor - Monitor, detect, and solve SQL Server performance problems on any device
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
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
Visual Expert - An all-in-one Static Code Analysis + SAST tool for PowerBuilder, Oracle and SQL Server
DataWeigher - The DataWeigher is the tool to compare and synchronize data.