A collaborative effort including software engineers, scientists, and researchers to improve RHESSys functionality and usability. Participants in the hackathon included researchers from RENCI (Renaissance Computing Institute), the Institute for the Environment at UNC Chapel Hill, WSSI collaborators from the National Socio-Environmental Synthesis Center (SESYNC) at the University of Maryland and the National Center for Supercomputing Applications (NCSA) at the University of Illinois at Urbana-Champaign, and of course the chief RHESSys architect Dr. Naomi Tague.