What are some alternatives?
When comparing Sequel Pro and DataGrip, you can also consider the following products
DBeaver - DBeaver - Universal Database Manager and SQL Client.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
Valentina Studio - FREE native database manager for SQLite, MySQL, PostgreSQL, SQL Server and Valentina DB.