Barcelona City Council's Open Data Portal has been developed with a mixed installation of Drupal and CKAN on Ubuntu. The installed version of Drupal is 7.52 (with php 5.6) and the version of CKAN is 2.6.0, latest stable versions available in open source at the time of its creation.
The code to the platform can be found in the following Github repositories:
- https://github.com/AjuntamentdeBarcelona/ckanext-odatabcn
- https://github.com/AjuntamentdeBarcelona/ckanext-federagobes