This is the source code for Joinup (https://joinup.ec.europa.eu/). Joinup is a collaborative platform created by the European Commission and funded by the European Union via the Interoperability solutions for public administrations, businesses and citizens (ISA²) Programme. It offers several services that aim to help e-Government professionals share their experience with each other. We also hope to support them to find, choose, re-use, develop and implement interoperability solutions. The Joinup platform is developed as a Drupal 9 distribution, and therefore tries to follow the 'drupal-way' as…