Sites like Open Library

01 · Entity

About Open Library

Open Library openlibrary.org

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.

Wikidata: online project for book data by the Internet Archive

Top 10K · #5,203 English 4 technologies Crawled Nov 6, 2026

Visit Open Library

Summary by Claude

An open, user-editable online catalog of books that aims to have a page for every published book, with free reading and borrowing of digitized books through controlled digital lending, run by the Internet Archive.

Who it’s for

Readers, students, librarians, researchers

Business model

Nonprofit, donations and grants

• digital library
• free ebook borrowing
• controlled digital lending
• book catalog
• reading log
• reading goals
• full-text book search
• bibliographic data downloads
• reader-curated book lists

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Open Library’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.

1. 01
   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

   • Google Search Console
   • nginx
   • Atlassian
   • Google Workspace
   • Microsoft 365
   • Salesforce

   0 say Internet Archive is a good alternative to Open Library 0 say Internet Archive isn’t a real alternative to Open Library

   Comment
   Very close cos 0.935
2. 02
   Project Gutenberg gutenberg.org Top 10K English

   Free eBooks | Project Gutenberg

   Project Gutenberg is a library of over 75,000 free eBooks. Choose from ebook formats or read online. No fees, no registration, no ads.

   • Google Search Console
   • Apache HTTP Server
   • Google Workspace

   0 say Project Gutenberg is a good alternative to Open Library 0 say Project Gutenberg isn’t a real alternative to Open Library

   Comment
   Very close cos 0.934
3. 03
   JSTOR jstor.org Top 10K English

   Client Challenge

   distributor of eBooks and other digital media

   • Google Search Console
   • Fastly
   • GlobalSign
   • Meta Business Suite
   • Microsoft 365
   • OpenAI

   0 say JSTOR is a good alternative to Open Library 0 say JSTOR isn’t a real alternative to Open Library

   Comment
   Very close cos 0.924
4. 04
   Wikibooks wikibooks.org Top 10K English

   Wikibooks

   free multilingual online collection of textbooks

   • Google Search Console

   0 say Wikibooks is a good alternative to Open Library 0 say Wikibooks isn’t a real alternative to Open Library

   Comment
   Very close cos 0.923
5. 05
   Scribd scribd.com Top 1K English

   Scribd: Home to the world’s documents.

   Get to the source. Specialized knowledge on any topic, and answers you won’t find anywhere else. Home to the world’s documents, 300M+ and counting.

   • Google Search Console
   • Apple Business
   • Atlassian
   • DocuSign
   • Envoy
   • Fastly

   0 say Scribd is a good alternative to Open Library 0 say Scribd isn’t a real alternative to Open Library

   Comment
   Very close cos 0.918
6. 06
   Goodreads goodreads.com Top 1K

   Goodreads | Meet your next favorite book

   Find and read more books you’ll love, and keep track of the books you want to read. Be part of the world’s largest community of book lovers on Goodreads.

   • Google Search Console
   • Atlassian
   • Canva
   • Amazon CloudFront
   • Microsoft 365
   • Ruby on Rails

   0 say Goodreads is a good alternative to Open Library 0 say Goodreads isn’t a real alternative to Open Library

   Comment
   Very close cos 0.910
7. 07
   Archive of Our Own archiveofourown.org Top 10K English

   Request temporarily denied. | Archive of Our Own

   nonprofit online fanfiction repository operated by the Organization for Transformative Works

   • Google Search Console
   • Cloudflare
   • Cloudflare DNS

   0 say Archive of Our Own is a good alternative to Open Library 0 say Archive of Our Own isn’t a real alternative to Open Library

   Comment
   Very close cos 0.911
8. 08
   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.

   • Adobe Experience Manager
   • Cloudflare
   • Cloudflare DNS
   • Cloudflare Web Analytics
   • Google Tag Manager
   • Meta Business Suite

   0 say WorldCat is a good alternative to Open Library 0 say WorldCat isn’t a real alternative to Open Library

   Comment
   Very close cos 0.906
9. 09
   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.

   • Google Search Console
   • Cloudflare
   • Cloudflare DNS
   • Cloudflare Web Analytics
   • Google Tag Manager
   • Google Workspace

   0 say Our World in Data is a good alternative to Open Library 0 say Our World in Data isn’t a real alternative to Open Library

   Comment
   Very close cos 0.906
10. 10
    Wikipedia wikipedia.org Top 100 English

    Wikipedia

    Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

    • Google Search Console
    • Yandex Webmaster

    0 say Wikipedia is a good alternative to Open Library 0 say Wikipedia isn’t a real alternative to Open Library

    Comment
    Very close cos 0.906
11. 11
    ThriftBooks thriftbooks.com Top 10K

    US-based online used bookseller

    • Google Search Console
    • Apple Business
    • Atlassian
    • Fastly
    • GlobalSign
    • GoDaddy DNS

    0 say ThriftBooks is a good alternative to Open Library 0 say ThriftBooks isn’t a real alternative to Open Library

    Comment
    Very close cos 0.902
12. 12
    De Gruyter Brill degruyterbrill.com Top 10K English

    De Gruyter Brill

    De Gruyter Brill | Over 300 years of publishing excellence

    • Google Search Console
    • Apple Business
    • Atlassian
    • Bootstrap
    • Brevo
    • Amazon CloudFront

    0 say De Gruyter Brill is a good alternative to Open Library 0 say De Gruyter Brill isn’t a real alternative to Open Library

    Comment
    Very close cos 0.903
13. 13
    Wikisource wikisource.org Top 10K English

    Wikisource

    online multilingual library that collects open-content source material

    • Google Search Console

    0 say Wikisource is a good alternative to Open Library 0 say Wikisource isn’t a real alternative to Open Library

    Comment
    Very close cos 0.904
14. 14
    OverDrive overdrive.com Top 10K English

    OverDrive: Free ebooks, audiobooks & movies from your library.

    Thousands of libraries & schools offer free digital content thru OverDrive's suite of products/services. Learn more about Libby, Kanopy, Sora & TeachingBooks.

    • Google Search Console
    • Atlassian
    • Azure DNS
    • Canva
    • DocuSign
    • Meta Business Suite

    0 say OverDrive is a good alternative to Open Library 0 say OverDrive isn’t a real alternative to Open Library

    Comment
    Very close cos 0.900
15. 15
    Calaméo calameo.com Top 10K English

    Calaméo - Publishing Platform for Documents and Magazines

    Publishing platform for digital magazines, interactive publications and online catalogs. Convert documents to beautiful publications and share them worldwide

    • Google Search Console
    • nginx
    • Cookiebot
    • Google Ads conversion tracking
    • Google Analytics
    • Google Tag Manager

    0 say Calaméo is a good alternative to Open Library 0 say Calaméo isn’t a real alternative to Open Library

    Comment
    Very close cos 0.901
16. 16
    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.

    • Amazon SES
    • Apache HTTP Server
    • Amazon CloudFront
    • Microsoft 365
    • Amazon Route 53

    0 say Zotero is a good alternative to Open Library 0 say Zotero isn’t a real alternative to Open Library

    Comment
    Very close cos 0.901
17. 17
    OCLC oclc.org Top 10K English

    global library cooperative

    • Google Search Console
    • Apple Business
    • Canva
    • Cloudflare
    • Meta Business Suite
    • Microsoft 365

    0 say OCLC is a good alternative to Open Library 0 say OCLC isn’t a real alternative to Open Library

    Comment
    Very close cos 0.898
18. 18
    Library of Congress loc.gov Top 1K English

    Home | Library of Congress

    The world's largest library. View historic photos, maps, books and more. Contact experts for help with research. Plan a visit. Home of U.S. Copyright Office.

    • Bing Webmaster Tools
    • Google Search Console
    • Adobe
    • Adobe Experience Platform Tags
    • Atlassian
    • Cloudflare

    0 say Library of Congress is a good alternative to Open Library 0 say Library of Congress isn’t a real alternative to Open Library

    Comment
    Very close cos 0.901
19. 19
    OSF osf.io Top 10K English

    OSF

    tools that make open science practice easier

    • Google Search Console
    • Google Cloud DNS
    • Mailchimp
    • Mailgun
    • Mailchimp Transactional

    0 say OSF is a good alternative to Open Library 0 say OSF isn’t a real alternative to Open Library

    Comment
    Very close cos 0.899
20. 20
    litnet.com Top 10K Russian

    Читать книги онлайн бесплатно полностью, скачать в fb2, epub, mobi — «Литнет»

    Самая крупная литературная платформа и библиотека, которая превращает чтение и публикацию книг в удовольствие. Более 180 000 книг, которые можно бесплатно читать онлайн и скачать. Все популярные жанры: любовный роман, фэнтези, фантастика и другие.

    • Google Search Console
    • Bootstrap
    • Cloudflare
    • Cloudflare DNS
    • Cloudflare Web Analytics
    • Font Awesome

    0 say litnet.com is a good alternative to Open Library 0 say litnet.com isn’t a real alternative to Open Library

    Comment
    Very close cos 0.898

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

04 · Fingerprints

Technology

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