Tools for MySQL/MariaDB

MySQL Compare 

https://www.red-gate.com/products/mysql/mysql-compare/

MySQL Compare is free for non-commercial use, personal use, and for those in the charity and education sectors.
The Enterprise Edition costs €219 per user.

• Save time comparing and synchronizing the schemas of two MySQL databases
• Eliminate mistakes by generating scripts to deploy changes from dev, to test, to production
• Find and fix errors caused by differences between databases
• Speed up the deployment of new database schema updates
• Generate SQL scripts that can be manually edited before running

HeidiSQL  

https://www.heidisql.com/

HeidiSQL is a useful and reliable tool designed for web developers using the popular MySQL server, Microsoft SQL databases and PostgreSQL. It enables you to browse and edit data, create and edit tables, views, procedures, triggers and scheduled events. Also, you can export structure and data either to SQL file, clipboard or to other servers. ..