Go here to create apps that work with SQL Server

This is a very useful site that you should acquaint yourself with. You can create apps that work with SQL Server with all of the following:

C#
Java
NodeJS
PHP
Python

on

Windows
macOS
RHEL
UBUNTU
SLES (Suse...)

You need to start at this link:
https://www.microsoft.com/en-us/sql-server/developer-get-started/