Apache MetaModel - Non-Native Database Management Systems
SQL Developer - Oracle SQL Developer is a free, development environment that simplifies the management of Oracle Database in both traditional and Cloud deployments.
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.
Toad Edge - Windows GUI for MySQL. SQL Syntax Check. Freeware (Basic Features) & Payware (Extended Features).
DBeaver - DBeaver - Universal Database Manager and SQL Client.