A Brisbane man allegedly knew he was helping Islamic State when he handed over video-editing software to a relative who was working for the terrorist organisation in Syria and Iraq.

Alaa Adam Atwani, 27, from Algester fronted court on Wednesday after being charged with attempting to provide support to a terrorist organisation.

Police claimed he provided Sony Vegas software to the relative, who had travelled to a Middle East conflict zone and was working for the Islamic State's media unit.

Read more: SMH