What Chorus Does

  • Provides a sustainable solution for government agencies, publishers, research officers, librarians, and authors to make publicly funded research more accessible.
  • Makes research outputs easily and permanently discoverable, accessible, and verifiable by anyone in the world.
  • Focuses on five core services: Identification, Discovery, Access, Compliance and Preservation.

For a demonstration with Japanese text, please visit here.
Monitor your Open Access output and compliance with our simple and affordable dashboard.

Request Your Institution’s Free Trial Here

How Chorus Works


Click to Enlarge

CHORUS leverages existing infrastructure enabling sustainable, affordable, and transparent open access to content reporting on funded research.

By integrating services and open APIs, CHORUS optimizes funder identification, content discovery, long-term accessibility, compliance monitoring, and dashboard reporting.

Powered by the Crossref Open Funder Registry and other open technologies, CHORUS is interoperable with other public-access delivery solutions, agency search portals, publisher platforms, and scholarly repositories and archives

Learn More

About Chorus


CHORUS is a simple, affordable, community-developed solution for monitoring open access to content and datasets reporting on funded research.

CHORUS minimizes open access compliance burdens while increasing access to content and data in supporting funder mandates.

CHORUS provides the necessary metadata infrastructure and governance enabling a smooth, low-friction interface between funders, authors, institutions, and publishers in a distributed network environment.

Learn More

Current Articles

Total Articles Monitored

The chart represents the growth in the number of articles identified as reporting on funded research that have been reported by CHORUS since June 2014. This number has gone up significantly because we are now tracking all funders worldwide.

View Full Graph

Chorus Dashboard Highlights

DOIs/Articles Description
4,344,225 reported in CHORUS dashboard
748,844 openly accessible today

The top number is the current count of articles reported in the CHORUS database. This number has gone up significantly because we are now tracking all funders worldwide. The bottom number is how many are openly accessible today from our publisher members.

Research funders working with CHORUS as part of their open or public-access plans, pilot projects, or linking arrangements.

  • Smithsonian Institution
  • US Department of Energy
  • Science for a changing world
  • National Science Foundation
  • United States Department of Agriculture
  • Office of the Director of National Intelligence
  • Defense Technical Information Center
  • US Aid
  • National Institute of Standards and Technology
  • Japan Science and Technology Agency
  • NOAA
CHORUS Participants  |  View Complete Members List

By completing this form, I confirm that I am the person whose name is entered above and I authorize CHOR, Inc. dba CHORUS to send me information on the type of application requested above. I also wish for CHORUS to send me updates on the CHORUS initiative. CHORUS will not share my email with any other organization without my express consent. I understand that I can opt out of receiving these updates at any time by contacting CHORUS.