today's continuation can be said to be islamic state of iraq and the levant with its original name.
as a result of the arbitration event, muslims were divided into three: kharijites, shiites and umayyads. hz. in the case of the outsiders referee it is the group that did not accept ali's acceptance of the referee and left his army.
hz. the prophet warned his ummah about this group beforehand, with the following words; "they despise yourselves in the face of their prayers, fasts and deeds, they read the Qur'an, but the Qur'an does not go down their throats, they leave the religion as the arrow comes out of the bow".
it is the third major islamic group in existence, apart from the sunnis and shiites. their bigotry is so advanced that it amounts to takfir* of the companions for political reasons. for its only surviving branch, (see: ibadi)