Tools developed by the Library of Congress and their partners in the National Digital Information Infrastructure and Preservation Program (NDIIPP) for the purpose of validation and transfer of data that conforms to the BagIt specification.
This project has been moved to https://github.com/LibraryOfCongress
DSL is a distributed storage leasing service based on JXTA project (http://www.jxta.org). It allows user to replicate/backup and later on retrieve files securely to other peers (on a lease basic). Basic versioning supported.