Sufia extends Hydra to provide a user interface around common repository features required by institutional repositories, data repositories, and digital archives. 

Link to a short (5 minute) demonstration of the key features of the tool or service.

• User and group-based access controls

• User profiles

• Integration with Zotero

• Multiple file, or folder, upload

• Full-text indexing and searching

• Faceted search and browse

• Generation and validation of identifier

• Digital preservation functionalities including fixity and version control
  
  

• Penn State ScholarSphere

• slack.projecthydra.org

• https://groups.google.com/forum/#!forum/hydra-tech

• Hydra page at NDS

• https://github.com/projecthydra/sufia github repository

• http://sufia.io/ project website