* Drupal in Freiburg: [[https://www.xing.com/net/dugfreiburg/|xing]] [[https://www.xing.com/profiles/Axel_Rutz|Axel Rutz]]
  * [[https://drupal.org/node/547518|Drupal 6/7 programming from an object-oriented perspective]]
  * [[http://drupalwatchdog.com/|drupalwatchdog]]
  * [[http://drupalwatchdog.com/1/1/design-patterns-of-drupal|Design Patterns of Drupal]] [[http://2013.drupalcamp.sg/session/amarnath-ravikumar/design-patterns-drupal-7|...]]
  * Anwendung: **[[http://drupal-wiki.com|Drupal-Wiki]]**
  * Video-Tutorials
    * Views
      * [[http://www.thoor.de/drupal/video-tutorial/ausfuehrliche-anleitung-fuer-das-views-modul|ausführlich, en]]
      * [[http://www.thoor.de/drupal/video-tutorial/views-3/views-3-contextual-filters-argumente-einsetzen|ContextualFilters, thoor]]

  * [[http://drupal.org/documentation|Documentation]]
  * [[http://drupal.org/node/341707|Tools, best practices and conventions]]
  * [[http://drupal.org/documentation/customization/snippets|Code snippets]]
  * [[https://drupal.org/project/dreditor]] [[http://comm-press.de/de/blog/simplytestme-und-dreditor]]