OER Commons is a freely accessible online library located at www.oercommons.org that provides a web-based infrastructure for teachers and others to search and discover Open Educational Resources (OER) and other freely available instructional materials
"The OERtest project is a two year (Oct. 2010 - Sep. 2012) project funded by the Lifelong Learning Programme of European Commision. Its aim is to support the mainstreaming of OERs within Higher Education and to test the feasibility of assessing learning exclusively achieved through the use of Open Educational Resources."
MERLOT is a free and open online community of resources designed primarily for faculty, staff and students of higher education from around the world to share their learning materials and pedagogy
"Organic.Edunet: Organic.Edunet: A Multilingual Federation of Learning Repositories with Quality Content for the Awareness and Education of European Youth about Organic Agriculture and Agroecology"