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Institution name


contact email

Product/Service Name
(please link to the live site)


Code repository
(please provide a link to the code repository if it is public)

Brief Description
(what is it used for and by whom?)
Main Features
(any customized features or additions to base gems)
Samvera solutions/gems (Please list the gem names like Hyku, Hyrax, Avalon, Sufia, older gems) Storage Layer (Please list the storage like Fedora 3.2, Fedora 4.3 etc)

Worcester Polytechnic Institute, Worcester MA


Digital WPI

Institutional repository for theses, dissertations, student projects and cultural heritage works
  • Work types: ETD, Student Work, Generic Work
  • Batch loader (The George Washington University) that we customized to ingest using a csv or json, logging and other features
  • API such that we can auto ingest ETDs and student projects from the ETD/student project submission application that we have.
Hyrax 2.5.0
  • Fedora 4.7.5 backed by PostgreSQL
  • Solr 6.6.2

National Institute for Materials Science

Materials Data Repository

Institutional research data and publications repository with a focus on materials science.Customized data model with nested properties for materials metadata. DOIs. CSV preview. 'Download all' for multi-file works.Hyrax 2.6Fedora 4.7

Trinity College Dublin, the University of Dublin

Trinity College Digital Collections (beta)

Repository of digitised collections for the Library in Trinity College Dublin. Includes national treasures such as the Book of Kells, and  Clarke Stained Glass Studios Collection.We remain fairly close to out-of-the-box Hyrax. A customised version of Bulkrax is used for batch ingests (thanks to Notch8).



Fedora 4.7.5

Solr 7.6

Cantaloupe 4.1.2

Atla (American Theological Library Association)

Karpinski, Christy <>

Atla Digital Library:

The Atla Digital Library is provides Atla members and other organizations with access to aggregated theological library collections from across the US.Various customizations and heavy use of Bulkrax for import.



Fedora 4.7.4

Shared Research Repository

British Library

British Museum

Museum of London Archaeology


Royal Botanic Gardens, Kew

National Museums Scotland

Shared Research Repository:



Royal Botanic Gardens, Kew: 





Institutional repositories for UK cultural heritage organisations, currently all Independent Research Organisations (IROs). Content includes a variety of outputs including published works, datasets, 3D models and exhibition material. 

Six individual repositories with a unified search layer over the top.

Built by Ubiquity Press with a number of custom features, including importer tool and public-facing design.

Hyku 1.0Fedora 4.7.4

McGill University, Montreal, Canada 

University repository


Institutional repository containing scholarly publications/materials of the McGill community. Greatest collection is theses and dissertations. Contains also faculty research publications as well as exemplary undergraduate and graduate work.
  • Author ordering implemented from Oregon State's Scholar Archive Repository
  • Customized the abstracts to have a language tag at the end of the abstract
  • Import scripts from Digitool (Ex Libris)
  • Updated edit/deposit form with combined files and metadata tab
  • Hyrax 2.5.1
  • Blacklight 6.18
  • Fedora - 7.4
  • Solr – 7
  • PostgreSQL 9.2.24

Southeastern Baptist Theological Seminary

Repo: uploaded pieces from Archives and Special Collections at Southeastern.

Featured Collections

CSV Batch Import

PDF viewer (pdf.js)

EDTF dates and date slider

Hyrax 2.5.1Fedora 4.7.5

George Washington University Libraries

Service:  GW ScholarSpace

Institutional repository for research and scholarly output, including ETDs.ETD work type (child of Work)Hyrax 2.8.0

Fedora 4.7.1

George Washington University Libraries

Github repo: Private.   Read access available upon request.

Curated scholarly repository for documents and analysis reports associated with The ISIS Files project, a partnership between the George Washington University Libraries, the GW Program on Extremism, and the New York Times 

Drop-down menus on the menu bar.

Clicking on a document thumbnail opens document in browser by default (when browser is configured to allow it - otherwise the browser will download the document)



Fedora 4.7.1

École des Hautes Études en Sciences Sociales (EHESS), School of Advanced Studies in the Social Sciences, France

DidómenaInstitutional research data repository. Self-deposit data repository for researchers in humanities and social sciences.Internal prosopographic referential with Idref integration for authority records
Autocomplete for several referentials : Rameau, Glottolog, Geoethno, Thesaurus of online medieval images (TIMEL)...
Optional metadata areas by discipline
Full internationalization of free text fields (RDF Langtag support)
On the fly OCR with tesseract / full text search
Chained authentication protocols with LemonLDAP::NG



Fedora 4.7.5


High-capacity replicated storage with Active Circle

New York City Municipal Archives

New York City Department of Records and Information Services (DORIS) Digital PlatformDORIS Digital Platform houses collections from the New York City Municipal Archives.  The platform expands access to all collections to a diverse range of users.

Hyku pilot project

Archivematica integration


The University of North Carolina at Chapel Hill, University Libraries

Service: Carolina Digital Repository (CDR)
App: hy-c
Institutional Repository for OA articles, journals, student papers, research data, posters, 3d objects, OER and more. 

People objects

Admin set/work type matching

12 worktypes

Blacklight OAI provider

Custom workflows


Custom permissions for metadata display

Custom permissions for Repo Admin

EDTF dates



University of Hong Kong Libraries

DigitalRepository@HKUL (public access)

(back office )

DigitalRepository@HKUL  is a platform for hosting digital contents received into or developed by HKU Libraries to support teaching, learning, research and knowledge exchange. The repository provides digitized materials including books, manuscripts, journals, articles, photographs, videos, audio, music scores, ephemera, posters, drawings and more.

IIIF Manifest generation

OCR with Abbyy

SAML login

Spotlight for public access interface

Hyrax 2.5.1Fedora 4.7.3

Linn-Benton Community College


CommunityArchive@LBCC is a tool for showcasing and preserving important content created at Linn-Benton Community College.  Our collection focuses on teaching and learning materials (particularly Open Educational Resources) and institutional history.

University of California Los Angeles

UCLA Library Digital Collections

The UCLA Digital Library Program (DLP) serves as the catalyst for the creation, management, and delivery of digital content in support of the UCLA Library mission and goals. The Program provides for the storage and dissemination of digital objects, including text, images, audio, and video in their various digital manifestations and combinations. The UCLA Library provides a web presence for digital collections, and provides storage, backup and digital preservation support for all digital content accepted into, or developed by, the Library.

US Department of Agriculture (hosted by Cornell)

Economics, Statistics and Market Information System5 USDA Agencies manage usda publications (parent work) and add releases (child works) to publications that contain data files (txt, pdf, csv, xls, xml) for agricultural data. Mostly used by ag-economists, market analysts, researchers, farmers, etc.

Combination of permissions, user roles to allow agency admins to only have write permissions.

Front end customizations: Modified homepage to focus on search and browse.Only display publications (parent work) in search results.Added subscription feature so users can subscribe and get email notifications (via MailGun API).Customized work creation forms to use multi-step forms.


Reveresed parent child relationship.

Used collection extensions for 5 agencies with nested collection for one large agency with 4 divisions.

Store files on S3 with external content link in Fedora, links to file download use CloudFront distribution endpoint to S3

Created a read/write API for creating and migrating content

Hyrax 2.1.0

Fedora 4.5.0

Solr, 7.1.0



UC Santa Barbara

Alexandria Digital Research Library

Source code on GitHub

Digital collections system for unique digitized and born-digital library materials including photographs, prints, newspapers, maps, audio, sheet music, manuscripts, ETDs, and more. Linked data support, controlled vocabularies, pan-and-zoom viewer, , batch ingest via CSV/MARC harvest/MODS, collection landing pages, ARK minting with EZIDCuration ConcernsFedora 4.6.0

Princeton University Library

Esmé Cowles


source code on github

Staff tool for building digital objects, which are served using IIIF, and embedded in our user-facing applications:

Blacklight: Catalog, Latin American Ephemera, and Digital Cicognara Library

GeoBlacklight: Digital Maps & Geospatial Data

Spotlight: Digital PUL

Content types: books/manuscripts, maps/geodata, ephemera, audio, numismatics, controlled vocabs

ARK minting with EZID

BagIt import/export

BrowseEverything ingest

Drag-and-drop page reordering, table-of-contents building


IIIF Manifest generation

MARC & EAD metadata import

OCR with Tesseract

PDF generation with Prawn

RabbitMQ event publishing

Workflows with AASM

valkyrie 2.0

valkyrie-sequel 2.0

browse everything





Metadata: Postgres 10

Primary Storage: CIFS-mounted Isilon

Preservation Storage: Google Cloud

University of Hull

Chris Awre


Hydra at Hull

Source code on GitHub

Digital repository. Most content accessible to the world at large, some restricted to University users. Mediated deposit workflow.Content largely consists of theses, journal articles and past examination papers (the last restricted to University users only) although many other types of digital content are present in smaller numbers.



Fedora 3.7

University of Michigan

Nabeela Jaffer (

Deep Blue Data

Source code on GitHub

Research data repository for University of Michigan researchers. Deposit is mediated and access is open to all.Tombstone, DOI, Download all files, Globus Download, Email Subscription, Local Analytics and UI ingest scriptHyraxFedora 4.7.4

University of Michigan

Jeremy Morse (


Source code on GitHub

Fulcrum is an open source publishing platform that helps publishers present the full richness of their authors' research outputs in a durable, discoverable, accessible and flexible form.Web-based EPUB reader. Works segmented by Publisher with customized branding and publisher specific analytics. Mediated access of subscription materials. Bulk importer. Support for embedded multimedia FileSets in EPUBS. AblePlayer integration for audio/video, Leaflet IIIF for images. Jekyll static site integration. COUNTER P5 analytics tracking and report generation.HyraxFedora 4.7.4

Northwestern University


ARCHInstitutional Repository research output including dissertations, data sets, and published articles.DOI, download all files, AWS hostedHyrax

Fedora 4.7.4

Northwestern University


AVRAvalon-based media system for special collections and course reservesAWS hosted, Canvas integrationAvalon 7.x

Fedora 4.7.4

Northwestern University 


Digital Collections (frontend)

Meadow (backend)

Digital Collections contains thousands of items from Northwestern University Libraries. While only a fraction of materials from the Libraries' collections are represented, the site is representative of the distinction and diversity of collections from the Northwestern Government and Geographic Information collection, Herskovits Library of African Studies, Music Library,McCormick Library of Special Collections, Transportation Library, and University Archives.

Meadow is the Digital Collections Backend and staff DAM.

react-iiif-viewer (

image downloader (

serverless IIIF (

Digital Collections is a React application hosted on S3. It consumes a metadata API powered by Elastic Search (our "common index"). Images are backed by a "serverless" IIIF endpoint hosted on a lambda.

Meadow: Elixir-based application with a suite of serverless functions to do the heavy lifting. 

postgres/ s3

Oregon State University

Margaret Mellinger



Source code on GitHub

Institutional repository for scholarly content including graduate theses and dissertations, articles, presentations, technical reports, and research datasets. Migrated from DSpaceNested and ordered metadata fields;HyraxFedora 4.7.3

Oregon State University

Margaret Mellinger


University of Oregon

Franny Gaede


Oregon Digital

Source code on GitHub

Collaborative digital collections system for unique digitized and born-digital materials including photographs, articles, sheet music, manuscripts, ephemera, and more. Migrated from CONTENTdmLinked data support, controlled vocabularies, pan-and-zoom viewer, BookReader viewer, bulk ingest from Bags, Collections/Sets landing pages, CONTENTdm URL redirects, OAIHydra 6Fedora 3

University of Utah

Brian McBride

Jacob Reed

The HiveInstitutional research data repository.
Hyrax 2.5.1Fedora 4.7.5

University of Virginia

Robin Lindley Ruggaber

Avalon Audio and video collections
Avalon 6.3.2 but migrating to 7.2. Both versions are based on earlier versions of the Hyra framework and using activefedora.Fedora 4.7.4 but migrating to Fedora 4.7.5 with the 7.2 upgrade.

University of Virginia

Robin Lindley Ruggaber

GeoBlacklightGeospatial Datasets
We have an older implementation and are planning an upgrade to 3.1.0N/A

Libra - Scholarly Content Repository

source code on GitHub

Libra: Institutional Repository research output including dissertations and open scholarship, primarily self-deposit (unmediated workflow)

Content types: theses/dissertations, articles, books/manuscripts, presentations, reports, images, audio, video, supplemental files

DOI minting via DataCite

ORCID registration through external service

Libra: Sufia 7.3

Fedora 4.7.5

King's Fund

(hosted by CoSector, University of London)

King's Fund Digital ArchiveDigitized publications from the King's Fund from 1898 onwards.

Uses Hyku, plus:

Work types: Published Work, Conference Item (via dog_biscuits)

Front-page carousel

IIIF search

Data imported from EPrints (via importer in leaf_addons gem)

Hyku 1.1

Hyrax 2




Fedora 4.7.4

Indiana University

Jim Halliday (

ImagoRepository for biological research collections. The bulk of the current content is over 150,000 pressed plant specimen images from the Indiana University Herbarium.

Custom ingest routines and integration with digitizing workflow.

Use of persistent URL's to integrate digital content with external systems.

Sufia 7Fedora 4.7.0

Indiana University

Jon Cameron

Media Collections OnlineCentral service for AV media collection at Indiana University. Contains media from a large variety of departments and schools at IU, the IU Libraries, and external partners.

Locally hosted

Canvas Integration

AvalonFedora 4.7.5

Indiana University

Jim Halliday (

Pages Online

Page turning application for uploading, describing, structuring, and providing access to digitized multi-page items from the IU Libraries collections. Based on Princeton University's Plum

IIIF integration with Universal Viewer

HOCR derived using Tesseract with "Search Within" available in the Universal Viewer (select items)

Structural editor to provide hierarchy and labeling within an item

Curation Concerns (moving to Hyrax currently)Fedora 4.7.0

Duke University

Moira Downey

Duke Digital Repository

Source code on GitLab:

Digital repository for digitized and born-digital special collections; library purchased and licensed collections (including some ebooks); select University Archives materials

IIP Image Server + IIIF Image API, custom OpenSeadragon viewer

A/V customizations around streaming, external embedding, Closed Captions, interactive transcripts and clickable timecodes

Custom URLs, per-collection Blacklight & portal configurations

Batch import and metadata updating

Role-based permissions

Integrated ARK minting

PTIF derivative generation

Structural metadata generation & file tree browser for nested folders/files

...and more!

Duke University

Moira Downey

Duke Digital Repository – Research Data

Source code on GitLab

Institutional repository for research data

Integration with for file submission

Integration with Globus for large data transfer (both upload and download)

Batch metadata imports via CSV

Versioning for works (datasets)

Vertical breadcrumbs for nested works

Browsing “top-level” works only

Data submission form conditionally presenting a series of triage questions

ARK and DOI minting with EZID and Crossref services

Bulk export of files

HyraxFedora 4.7.5

Emory University

Emory Electronic Theses and Dissertations (ETD)

GitHub: Laevigata

Mediated self-deposit repository for theses and dissertations, used by multiple Emory University Schools and departments

Mediated deposit workflows including single and multiple approvals

Primary/supplemental file delineation

File-level descriptive metadata

Box integration

Shibboleth integration

Save self-deposit submission as draft

Customized embargo durations

Customized embargo levels (full work, files, abstract, table of contents)

Submit works to Proquest

HyraxFedora 4.x

Digital Repository of Ireland Stuart Kenny

Digital Repository of Ireland

Source code on GitHub

The Digital Repository of Ireland is a national digital repository for Ireland’s humanities, social sciences, and cultural heritage data.

Support for multiple metadata standards: DC, MODS, MARC, EAD

Batch import

DOI minting with Datacite

IIIF manifest generation and OpenSeadragon

RDF output

hydra-head 10.6

active-fedora 12

Fedora 4.7.5



Ceph Rados Gateway

UC San Diego

Library Digital Collections

University of Alberta

Education & Research Archive 


Digital Archive of Latin American and Caribbean Ephemera


Southeast Asia VisionsA collection of more than 350 European travel accounts of pre-modern Southeast Asia 

Tufts University

Tufts Digital Library 

Virginia Tech

VTechData A platform for openly publishing datasets or other research products created by Virginia Tech faculty, staff, and students

Penn State

ArchiveSphere A repository for collections of digital archival materials, automating the management of common preservation activities like file characterization and migration, fixity checking, etc., while preserving the relational and hierarchical connections between files.
Penn StateScholarSphere A self- and proxy-deposit repository for access to and preservation of scholarly works and data.

London School of Economics and Political Science

LSE Digital Library

Notre Dame

CurateNDA general purpose Institutional Repository with functionality 'similar' to Hyrax




Fedora 3.x

Notre Dame

Digital Exhibits 

A collection building and delivery application for digital library objects


Hydrus An IR with support for configurable workflows (deposit, review, edit, publish)

StanfordArgoA repository administrator's dashboard for workflow management and reporting

StanfordEEMs - Everyday Electronic MaterialsA tool and workflow for accessioning born digital materials into a Library's formally managed collection

StanfordETD's - Electronic Theses & DissertationsETD deposit, approval & access

StanfordSALTworksSelf-Archiving Legacy Toolkit 


Glen Horton


Source code on GitHub

Self-submission institutional repository



Shibboleth sign-on

Hyrax 2.x



Fedora 4.7.3

MAE, Theater Institute of Barcelona

Australian Department of the Environment

Closed resource

Johns Hopkins University

Lester S Levy Sheet Music Collection

Science History Institute

Digital Collections

Art Institute of Chicago

Digital Commonwealth (Massachusetts Collections Online)

Berlin State Library, Germany

Closed collection of historic documents

Emory University

Curate (GitHub)Library/specialist staff curation-focused product for bulk-ingest, digital asset/collections management and preservation, utilized by multiple campus Libraries

Generic/abstract work type supporting Emory AIP convention (content/format agnostic)

Support for Emory metadata application profile (Descriptive, Rights, Administrative, Preservation Events, Preservation Workflows, Technical/Characterization)

Customized FileSets for AIP components and derivatives

Automated preservation events and audits metadata

Preservation workflow metadata

Restricted deletion

Descriptive metadata systems of record integration/harvest


Customized access controls (low-resolution, restrict to campus network, Reading Room/IP ranges, etc.)

Hyrax 3.rc1, ZiziaFedora 4.7.x object store + files on disk (Amazon S3)
Emory UniversityEmory Digital CollectionsFront-end consumer product providing discovery, interaction, and delivery of assets in Emory's preservation repository

Abstract/generic work display using Universal Viewer

Emory pattern library integration

Support for customized access controls in IIIF

Navigation for hierarchical/nested objects

Blacklight 7, CantaloupeSOLR

Lafayette College

Lafayette Digital Repository (LDR)

Institutional repository and digital collections

 Permalink minting with Handle server

 Controlled vocabularies (geonames, FAST)

Hyrax 2.9Fedora 4.7.3



Hosted repository service