Drupal is a free and open-source web content management framework written in PHP and distributed under the GNU General Public License. Drupal provides a back-end framework for at least 2.3% of all websites worldwide – ranging from personal blogs to corporate, political, and government sites. Systems also use Drupal for knowledge management and for business collaboration.[¹](#sources)
+ Fix a bug or an improvement by creating a ticket (issue): [github.com - YunoHost-Apps/drupal/issues](https://github.com/YunoHost-Apps/drupal_ynh/issues)