DBeaver - DBeaver - Universal Database Manager and SQL Client.
Sql Server Profiler - SQL Server Profiler shows how SQL Server resolves queries internally.
DataGrip - Tool for SQL and databases
Jet Profiler for MySQL - Query profiling tool for the MySQL database server, helps you spot performance bottlenecks, heavy sql queries and most accessed db tables.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
Navicat - Powerful database management & design tool for Win, Mac & Linux. With intuitive GUI, user manages MySQL, MariaDB, SQL Server, SQLite, Oracle & PostgreSQL DB easily.