This is a short interview episode from the poster session at the Open Science Conference 2019. In this episode Bernd talks to Johanna Havemann (@johave on Twitter), a (digital) science project manager as well as trainer and consultant in (Open) Science communication. Johanna gave a presentation on open source infrastructure for region- and discipline-specific preprint repositories and presented a poster on AfricArXiv, a free preprint service for African scientists.