What are the current SQL Server database monitoring software?

What are the current SQL Server database monitoring software? After collecting the current SQL Server database monitoring software, I found that QuestsoftwareQuestsspotlight is not available for free open source )? QspotlightIderasSQLDiagnosticManager (charged) red-gatesql-monitor (charged) Cacti (Free Open Source)

What are the current SQL Server database monitoring software? After collecting the current SQL Server database monitoring software, I found that the open-source database is free of charge. Is there really no Questsoftware Quest's spotlight )? Q = spotlight Idera's SQLDiagnosticManager (charged) red-gate SQL-monitor (charged) Cacti (Free Open Source)

What are the current SQL Server database monitoring software?

I collected the current SQL Server database monitoring software and found that the open source database is free of charge"

Questsoftware Quest's spotlight (charged )? Q = spotlight

Idera's SQLDiagnosticManager (charged)

Red-gate SQL-monitor (charged)

Cacti (the free open-source tool should be regarded as server monitoring rather than SQL Server Monitoring)

Microsoft SCCM (charged)

Idera's SQL check (only one machine can be used, Hong Kong server rent, Hong Kong space, free of charge)

Windbmonitor (developed by a Chinese bull and charged)

Questsoftware Foglight for SQL Server (charged)

Sqlsentry (SQL sentry) Performance Advisor for SQL Server (charged)

If anything is wrong or complementary, you are welcome to make a decision on the US server.