sql-query

Azure Data Studio (formerly SQL Operations Studio) is a free, light-weight tool, that runs on Windows, macOS, and Linux, for managing SQL Server, Azure SQL Database, and Azure SQL Data Warehouse; wherever they're running.

Open Source SQL Database CRUD Application Built on Electron.

If you are looking for a proper tool to work with data and SQL queries with ad-hoc visual query builder, you must have a look at FlySpeed SQL Query. It connects to all modern database servers and works with all popular desktop databases and office file formats (CSV, Excel).

OPC Router: Leading Industry 4.0 middleware that connects a wide range of systems from SAP to OPC UA, MQTT, REST, and SQL through versatile plug-ins. Features an intuitive drag-and-drop interface for easy, code-free setup, ideal for seamless system integration.