Mandaeism: A gnostic monotheism of (at the latest) the 1st century CE observed Mandā d-Heyyi - "Knowledge of Life". Mandaean theology is based more on a common heritage than on any set of religious creeds and doctrines.
Manichaeism: 3rd century ditheistic gnosticism that may have been influenced by Mandaeism. Manichaens believed in a "Father of Greatness" (Aramaic: , Persian: pīd ī wuzurgīh) and observed Him to be the highest deity (of light).
Mazdakism: A late 5th/early 6th century proto-socialist gnosticism that sought to do away with private property.
The early Islamic period saw the development of Persian mysticism, a traditional interpretation of existence, life and love with Perso-Islamic Sufi monotheism as its practical aspect. This development believed in a direct perception of spiritual truth (God), through mystic practices based on divine love.
Khurramites, a 9th century religious and political movement based on......