Drupal
The enterprise OpenSource content management system which is available for free at https://www.drupal.org where you can find all the details and also references.
has a very active community with tens of thousands of developers all around the world and they also have a huge focus on standard compliance and on security.
Visotto Easy Menu
application for restaurant menu administration.
Testing Drupal projects with Behat in PhpStorm
Developers are known for their most famous topics to be testing and doumentation - not. And I'm no different. However, the bigger my projects tend to get and the longer they last, the more this becomes a real issue so that even the developer in me starts to promote the idea of proper testing and documentation.
