https://www.gainpeace.com/free-online-resources
https://www.gainpeace.com/free-quran-literature
https://www.islaminspanish.org/ (Resources in Spanish)
www.collectfreequran.org (Free Worldwide)
https://www.cpsglobal.org/content/order-free-quran (Free in India and other regions)
https://iera.org/shop/ (Free in UK)