free and open source software developed by the National Archives of Australia. The DPSP is a collection of software applications which support the goal of digital preservation. Xena stands for XML Electronic Normalising for Archives. Xena converts digital files to standards based, open formats. Digital Preservation Recorder (DPR) - DPR handles bulk preservation of digital files via an automated workflow. Checksum Checker is a piece of software that is used to monitor the contents of a digital archive for data loss or corruption. Manifest Maker produces a tab-separated list of digital files in a specified location. The manifest includes the checksum, path and filename of each digital file.