"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"
"ChronoZoom is an educational tool for teachers and students who want to put historical events in perspective. A great many resources have been created already in ChronoZoom for your enjoyment and enlightenment."
"The Gateway has been serving teachers continuously since 1996 which makes it one of the oldest publically accessible U.S. repositories of education resources on the Web."
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