PyCharm - Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Thonny - Python IDE for beginners
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
iPython - iPython provides a rich toolkit to help you make the most out of using Python interactively.
DataGrip - Tool for SQL and databases