OER Commons
OER Commons (OER for open educational resources) is a freely accessible online library that allows teachers and others to search and discover open educational resources (OER) and other freely available instructional materials. 
https://www.oercommons.org/
Institute for the Study of Knowledge Management in Education
A nonprofit/NGO (other)
United States of America
info@oercommons.org
https://en.wikipedia.org/wiki/Institute_for_the_Study_of_Knowledge_Management_in_Education
Yes - it has a direct download link or links
https://www.oercommons.org/oer
Yes
open license
cc-by-nc-sa-4.0: Creative Commons Attribution Non Commercial Share Alike 4.0 International