Mendeley Data is a multidisciplinary, free-to-use open repository specialized for research data. Data files of up to 10GB can be uploaded and shared. Search more than 20+ million datasets indexed from 1000s of data repositories and collect and share datasets with the research community following the FAIR data principles. Links are available to related authors, software, grants and research. Each version of a dataset is given a unique DOI, and dark archived with DANS (Data Archiving and Networking Services), ensuring that every dataset and citation will be valid in perpetuity. Metadata is licensed CC0, and datasets are and will continue to be free access. Mendeley Data will shortly support managed access, and currently supports embargoing of data both generally and while undergoing peer review. It is funded by a subscription model for Academic & Government entities.