Implementations

Please open an issue in the spec if there is anything on this list that should be updated

Systems Implementing OCFL

• KA3 Audio-Visual Archive hosted at University of Cologne, see documentation of File System Structure
• UTS eResearch Repository Repository development at University of Technology Sydney, using OCFL as part of the Arkisto platform for research data preservation
• Fedora (version 6.0 and above), see documentation of Fedora OCFL Object Structure and see Fedora Implementations (all sites using Fedora 6.0 and above are using OCFL)
• InvenioRDM is completing OCFL implementation (https://inveniosoftware.org/products/rdm/roadmap/)
  • Development notes
• University of Wisconsin - Madison is working on implementing a digital preservation system based on OCFL
• Harvard University has implemented a preservation system that relies on an OCFL, S3-based storage layer
• The National Archives, UK have implemented OCFL as vendor-neutral a custodial copy repository. It is implemented in Scala and all code is available on github

Code Libraries, Validators, and Other Tools

Production

• OCFL-Java (Java, Peter Winckles)
  • Used by UW Madison, Fedora, and Harvard
• OCFL Core (Python, CERN/Data Futures) OCFL Core Docs
  • Used by InvenioRDM

Other

• OCFL Java HTTP HTTP over an OCFL repository (Java, Ben Cail)
• rocfl (Rust, Peter Winckles)
• ocfl-js (Javascript, Univ of Queensland)
• oni-express (A Solr-backed search for an OCFL repository containing RO-Crate datasets)
• OCFL (Go, Aaron Birkland)
• ocfl-go (Go, Seth Erickson, University of California, Santa Barbara)
  • ocfl-tools command line tools
• OCFL implementation in Python (Python, Simeon Warner)
• OCFL HTTP service over an OCFL repository (Clojure, Ben Cail)
• ocfl-validate (Python, Simeon Warner)
• gocfl (Go, Jürgen Enge)

Deprecated

• OCFL-js (Javascript, Mike Lynch)
• ocfl-js (Javascript, Marco La Rosa)