Here we provide some materials to be used by attendees or speakers.
You can use these badges for e.g. blogpost to promote the fact that you are going to GUADEC or are even speaking at the conference!
We have slide templates for GUADEC available in the presentation-templates repository. As of this writing (2nd June) there is a LaTeX beamer template. Any help with further formats is appreciated and can be added to the repository.