AVANO - (Harvester)- from IFREMER harvests and aggregates access to repositories holding international publications about Marine & Aquatic sciences.

DOAR Directory of Open Access Repositories provides a quality assured listing of open access repositories around the world.

 Driver Digital Repository Infrastructure Vision for European Research - Access the network of freely accessible digital repositories with content across academic disciplines with over 2,500,000 scientific publications, found in journal articles, dissertations, books, lectures, reports, etc., harvested regularly from more than 249 repositories, from 33 countries.