DBeaver - DBeaver - Universal Database Manager and SQL Client.
ApexSQL Monitor - SQL Server performance monitor - Monitor, detect, and solve SQL Server performance problems on any device
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
dbForge Monitor - dbForge Monitor is a FREE add-in for Microsoft SQL Server Management Studio that allows you to track and analyse SQL server performance.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
Visual Expert - An all-in-one Static Code Analysis + SAST tool for PowerBuilder, Oracle and SQL Server