Apache MetaModel - Non-Native Database Management Systems
DBeaver - DBeaver - Universal Database Manager and SQL Client.
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
DataGrip - Tool for SQL and databases
Toad Edge - Windows GUI for MySQL. SQL Syntax Check. Freeware (Basic Features) & Payware (Extended Features).
SQLGate - Simple but powerful IDE for multiple databases.