ApexSQL Monitor - SQL Server performance monitor - Monitor, detect, and solve SQL Server performance problems on any device
dbForge SQL Tools - SQL Server tools for SQL database development
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
SQL Admin Toolset - Database Administration for SQL Server - Database administrators need simple and quick ways to manage their SQL Server environment.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
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.