LibreCommons
LibreCommons hosts curated Open Educational Resources from all 14 LibreTexts libraries in one convenient location. LibreCommons, the LibreTexts Libraries, and all of our resources are accessible to everyone via the internet, completely free. We believe everyone should have access to knowledge.
https://commons.libretexts.org/
LibreTexts
A nonprofit/NGO (other)
United States of America
info@libretexts.org
https://libretexts.org/team.html
Yes - it has a direct download link or links
https://commons.libretexts.org/
Yes
public domain open license