X++ is at the heart of Microsoft Dynamics 365 Finance & Operations (formerly Dynamics AX). It is an object-oriented language that resembles C# and Java but with a twist: it is tightly coupled to the application’s business logic and data models. That means you can create, customize, and automate everything from invoicing to inventory management without leaving the platform.

What makes X++ unique is its deep integration with the application. You work not just with code but with entire business processes. It is also closely tied to the database, which makes data handling straightforward without writing complex SQL. However, this also means X++ is primarily used within the Dynamics ecosystem - it’s not a language you pick up to build a generic web app or game.

So if you’re interested in diving into business systems and want a language that lets you shape them to your needs, X++ is a powerful tool to have in your toolbox.