re3data.org is a global registry of research data repositories. The registry covers research data repositories from different academic disciplines. re3data.org presents repositories for the permanent storage and access of data sets to researchers, funding bodies, publishers and scholarly institutions. re3data.org aims to promote a culture of sharing, increased access and better visibility of research data. In December 2012 re3data.org launched an alpha version. The registry will be continuously developed and improved together with relevant stakeholders.