Archivematica is an open source software platform that incorporates the community’s experiences and skills to create a robust digital preservation processing system. This paper describes Archivematica as a case study for sustained digital- preservation software. This paper briefly covers the software’s history before exploring in more detail the components that make Archivematica what it is today, taking in some of the benefits and some of the current limitations of the approach. Looking to the future these limitations are also discussed, as well as other considerations about how the system, and how the software can move forward alongside the entire digital preservation community.