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), see documentation of Fedora OCFL Object Structure
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

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)