Alternatives and competitors

Sites like ORCID

The 20 closest researcher identifier registry alternatives to ORCID, ranked by what they actually offer, and the 11 technologies behind it.

Looking for an alternative to ORCID? The closest matches are DOI.org query endpoint, Our World in Data and Zenodo. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
13 ms

01 · Entity

About ORCID

ORCID orcid.org

ORCID

Wikidata: non-profit organization that issues ORCID Identifiers

Top 10K · #1,852 English 11 technologies Crawled Nov 6, 2026
Visit ORCID

Summary by Claude

ORCID issues free persistent digital identifiers to researchers and maintains a registry that links them to their publications, grants, affiliations and other scholarly work, with integrations for publishers, funders and institutions.

Who it’s for
Researchers, universities, publishers and funders
Business model
Institutional membership fees

02 · Embedding space

Competitor map

Each alternative by how close its vector is to ORCID’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

Smithsonian Institutionoecd.orgScienceDirectEurope PubMed CentralWorldCatOSFJSTORZenodoOur World in DataDOI.org query endpoint

03 · Nearest neighbours

Alternatives to ORCID

Thumbs up if it’s a real alternative to ORCID, thumbs down if it isn’t.

Only in English

We can’t read orcid.org’s homepage (too little text on the homepage), so it’s compared on what Wikidata and Wikipedia say about it.

  1. 01
    DOI.org query endpoint doi.org Top 1K English

    Home Page

    API endpoint

  2. 02
    Our World in Data ourworldindata.org Top 10K English

    Our World in Data

    Research and data to make progress against the world’s largest problems.

  3. 03
    Zenodo zenodo.org Top 10K English

    Zenodo

    research data repository

  4. 04
    JSTOR jstor.org Top 10K English

    Client Challenge

    distributor of eBooks and other digital media

  5. 05
    OSF osf.io Top 10K English

    OSF

    tools that make open science practice easier

  6. 06
    Crossref crossref.org Top 10K English

    Crossref

    Crossref is open infrastructure linking the world's research. 26,500 members, 171 countries, 2.1 billion monthly API queries.

  7. 07
    WorldCat worldcat.org Top 10K English

    WorldCat.org

    WorldCat.org is a global catalog of library materials. You can search for books, music, video, articles and much more at libraries near you.

  8. 08
    Europe PubMed Central europepmc.org Top 10K English

    database of biomedical research

  9. 09
    United States Copyright Office copyright.gov Top 10K English

    U.S. Copyright Office | U.S. Copyright Office

    Copyright Office Homepage

  10. 10
    De Gruyter Brill degruyterbrill.com Top 10K English

    De Gruyter Brill

    De Gruyter Brill | Over 300 years of publishing excellence

  11. 11
    ScienceDirect sciencedirect.com Top 1K English

    ScienceDirect

    journal

  12. 12
    Zotero zotero.org Top 10K English

    Zotero | Your personal research assistant

    Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

  13. 13
    medRxiv medrxiv.org Top 10K English

    medRxiv.org - the preprint server for Health Sciences

    medRxiv - the preprint server for biology, operated by openRxiv, a nonprofit organization dedicated to advancing scientific communication

  14. 14
    Open Library openlibrary.org Top 10K English

    Welcome to Open Library | Open Library

    Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.

  15. 15
    oecd.org Top 10K English

    intergovernmental economic organization

  16. 16
    Smithsonian Institution si.edu Top 10K English

    Smithsonian request verification

    group of museums and research centers administered by the United States government

  17. 17
    Wikidata wikidata.org Top 10K English

    Wikidata

    free multilingual online knowledge graph

  18. 18
    Internet Archive archive.org Top 1K English

    Internet Archive: Digital Library of Free & Borrowable Texts, Movies, Music & Wayback Machine

    U.S. non-profit organization and digital archive

  19. 19
    frontiersin.org Top 1K English

    Frontiers | Publisher of peer-reviewed articles in open access journals

    Open access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.

  20. 20
    RFC Editor rfc-editor.org Top 1K English

    RFC Editor

    The official home of RFCs. RFCs outline computer networking and Internet foundations, including Internet Standards and historical or informative content.

Ranked by score: the cosine similarity of each site’s vector to orcid.org’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones ORCID uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What ORCID is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

CSS & UI
Fonts
Live chat & support
  • Zendesk page source: static.zdassets.com
CDN
Hosting
Email hosting
DNS hosting
SaaS tools (verified in DNS)
  • Apple Business TXT apple-domain-verification=Oa87TbN9zgGp4xDQ
  • Google Search Console TXT google-site-verification=Pfj1np2DatPrDPYG9D1_g0qjtfMWlRnyRJjUXO1vpU4
  • Salesforce TXT v=spf1 include:_spf.google.com include:_spf.salesforce.com include:ma…

Stack changes

No changes yet. Each new crawl is compared with the last one, and what ORCID adds or drops shows up here.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler