Registration is open for the Neuroimaging (NIDM) Data Model hackathon to be held in Cairns, August 17-18 at the Pullman Cairns hotel. The objective of the workshop is to introduce NIDM to developers and provide instruction on how to develop in NIDM, while the hackathon will focus on two topics:  i. integration of NIDM with existing tools and ii. a common Neuroimaging Atlasing format.