If you have used Visual Studio Code, you probably will also enjoy a new client tool SQL Operations Studio. Currently it is available as preview version and not formally released yet.
What is SQL Operations Studio
SQL Operations Studio is a data management tool that enables working with SQL Server, Azure SQL DB and SQL DW from Windows, macOS and Linux. It is very lite compared with SSMS (SQL Server Management Studio) but still easy to use and powerful.
Open source code
If you are interested in the source code, visit the following link:
More details about download and install
Please refer to the following page to install. You can install it in Windows, macOS and Linux.
Sample interface when running in Linux openSUSE