Blacklight is an open source Solr user interface discovery platform. You can use Blacklight to enable searching and browsing of your collections. Blacklight uses the Apache Solr search engine to search full text and/or metadata.

RSolr aims to provide a simple and extensible library for working with Solr

Hyrax is a featureful Hydra front-end based on the latest and greatest Hydra software components.

Sufia extends the robust Hydra framework to provide a user interface around common repository features and social features. Sufia offers self-deposit, proxy deposit, and configurable mediated deposit workflows. Sufia delivers its rich and growing set of features via a modern, responsive UI

ActiveFedora provides for creating and managing objects in the Fedora Repository Architecture.

Enable librarians, curators, and others who are responsible for digital collections to create attractive, feature-rich websites that feature these collections.

GeoBlacklight provides a world-class discovery platform for geospatial (GIS) holdings. It is an open collaborative project aiming to build off of the successes of the Blacklight Solr-powered discovery interface and the multi-institutional OpenGeoportal federated metadata sharing communities.

Hydra-Head is a Rails Engine containing the core code for a Hydra application.

Project Hydra Stack Dependencies

Blacklight Range Limit plugin

A Blacklight-based environment to support discovery and delivery for archives and special collections

MARC support for Blacklight

Derivative generation plugin for hydra

An ORM using the Data Mapper pattern, specifically built to solve Digital Repository use cases.

Gallery display for Blacklight

A basic metadata editor for hydra-head

Using this data model should enable easy collaboration amongst Samvera projects.

Portland Common Data Model (PCDM)

A Rails engine supporting discovery of web archives.

Access controls for blacklight-based applications