DBeaver - DBeaver - Universal Database Manager and SQL Client.
Gonarch Tech - MySQL High Availability as a service
DataGrip - Tool for SQL and databases
ProxySQL - ProxySQL: high-performance, GPL licensed MySQL proxy. It supports hundreds of thousands of concurrent connections and can be multiplexed to hundreds of servers.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
PostgREST - Automatic REST API for Any Postgres Database