In what type of applications is good Drupal ?

In general big sites of counties like Australia, and even small apps. In general Drupal is a framework, that From Google we can see:
Types of Websites You Should Build with Drupal

1. Drupal is an open source CMS that has the features that can go beyond just content management. …
2. ECOMMERCE/RETAIL/SERVICES. …
3. NEWS/MAGAZINES. …
4. SCHOOLS/UNIVERSITIES. …
5. WEB SERVICES & APPLICATIONS. …
6. API. …
7. TRAVEL. …
8. FINANCIAL SERVICES/BANKING.

Drupal is not only a tool for managing content on a website, but a tool to build tools to manage content on websites. It is a meta tool used by web developers to build customized web publishing tools. In some respects, you may even call Drupal a programming language.

In general Drupal is more time demanding to learn and use and needs more. It depends on your budget and your know