ePADD: Use Natural Language Processing to Appraise, Process, Discover and Deliver Email by EDUCAUSE published on 2016-01-20T23:29:09Z Peter Chan is a Digital Archivist at Stanford University. He is also the project manager for ePADD. ePADD is an open-source, freely available software package developed by Stanford University’s Special Collections & University Archives and partners, that supports archival processes around the appraisal, processing, discovery, and delivery of email archives. Genre educause