Copernicus is a scientific publisher and proud of 23 years of open-access publishing and Interactive Public Peer-Review™ and has been an early adopter and eager advocate of open science. Today, Copernicus publishes 38 peer-reviewed journals and 10 special publication series. Furthermore, Copernicus has organized scientific conferences and exhibitions since 1988 and offers services and applications for abstract and programme management as well as registration management.