ePADD

ePADD is free and open source software that supports the appraisal, processing, preservation, discovery, and delivery of historical email archives. ePADD incorporates techniques from computer science and computational linguistics, including machine learning, natural language processing, and named entity recognition to help users access and search email collections of historical and cultural value. ePADD was originally developed by Stanford University's Special Collections & University Archives and is currently hosted and maintained by the Open Preservation Foundation.