OpenDOAR: Directory of Open Access Repositories is a UK-based website that lists open access repositories (including academic ones).
The project is funded by the Open Science Institute, Jisc, the Consortium of Research Libraries (CURL) and SPARC Europe.
As of 2015, OpenDOAR and the UK-based Registry of Open Access Repositories (ROAR) "are considered the Two leading open access directories worldwide.
OpenDOAR controls submission of materials and is dependent on the discretion of its staff.
OpenDOAR requires open access of scholarly publications; whereas ROAR allows other types of materials to be included.