Which are recognized tuition free universities in Muslim world?

Thank you for the invitation, in fact I do not know about Islamic universities what I know in my country that the Islamic universities is free to citizens only, while foreigners studying at a private university fees

Madinah Islamic Universities

thanks for the invitation

I agree with specialties answers

saudi universities grant scholarships to foreign students from within and outside the kingdom.

I agree with M's Dalal answers, thanks for the invitation. 

All Algerian universities   Free Aidf and student fees

Agree with ms. Dalal          .