4D - 4D is a relational database management system and IDE.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
ESM Tools - ESM Tools is a powerful and widely known software development platform that comes with a centralized model infrastructure, providing the common frame for compiling, running, downloading, and organizing models (ones or multiple).
DataGrip - Tool for SQL and databases
H2 Database - H2 is free SQL database written in Java
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.