ProxySQL - ProxySQL: high-performance, GPL licensed MySQL proxy. It supports hundreds of thousands of concurrent connections and can be multiplexed to hundreds of servers.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Gonarch Tech - MySQL High Availability as a service
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
PostgREST - Automatic REST API for Any Postgres Database
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.