In Islamic law, free gift of nature not owned by anybody or anything which is free to be used by public.
Al-qafiz al-hajjaji
Al-mustakbirin
Dira al Sawad
Al-ihraz
Bai‘ al-muwasafah
Qirad market
Gharim
Riba al-nasi'ah
Bai‘ al-hasah
Islamic Housing Debt Securitization Scheme