Open Science is an umbrella term for an approach that aims to make scientific research accessible, reproducible, and freely available to people within and outside of academics.
An important goal is to practice science in a transparent way. Open science practices include pre-registration, replication research, sharing data and research tools, open peer-review, publishing open access, uploading preprints and (meta) research about scientific methods.
OSCL is a learning community where Leiden University employees and students learn and talk about open science practices. Example events are Open Science cafés, workshops, and walk-in-hours.