digiKam

A photo-management application for collections, tags, and image metadata.

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What it does

digiKam focuses on photo management, with product information, downloads, and photographic workflow resources on its site.

When to use it

For a photo collection spanning years, organize tags by event and subject so useful images can be found again.

BnF Data

Explore BnF data models and semantic connections.

  • books
  • metadata

Research

MusicBrainz

Find relationships among musical works, recordings, and releases.

  • music
  • metadata

Research

Crossref

Check DOI, publication, and citation metadata.

  • scholarship
  • metadata

Research