Sites like Read the Docs

01 · Entity

About Read the Docs

Read the Docs readthedocs.org

Full featured documentation deployment platform - Read the Docs

Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated search, pull request previews and more.

Wikidata: software documentation hosting website

Top 10K · #4,291 English 5 technologies Crawled Nov 6, 2026

Visit Read the Docs

Summary by Claude

Read the Docs builds and hosts software documentation from Git repositories, with versioned docs, search, and pull request preview builds. It is free for open-source projects and has paid business plans with private repositories and access control.

Who it’s for

Software developers, documentation teams, and open-source projects

Business model

Subscriptions for business plans; free community tier for open source

• documentation hosting
• Sphinx documentation hosting
• MkDocs hosting
• versioned documentation
• pull request preview builds
• private documentation
• docs-as-code
• documentation search
• single sign-on for docs

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Read the Docs’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
   docs.rs Top 10K English

   Docs.rs

   official documentation website for Rust libraries

   • Font Awesome
   • Google Search Console
   • Fastly
   • Mailgun
   • nginx
   • Amazon Route 53

   0 say docs.rs is a good alternative to Read the Docs 0 say docs.rs isn’t a real alternative to Read the Docs

   Comment
   Very close cos 0.912
2. 02
   GitBook gitbook.io Top 10K English

   The knowledge layer for AI | GitBook

   GitBook is a knowledge platform that connects your docs, product and users, answers user questions, and identifies knowledge gaps. Docs-as-code support & AI insights included.

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Google Workspace
   • Amplitude
   • Framer

   0 say GitBook is a good alternative to Read the Docs 0 say GitBook isn’t a real alternative to Read the Docs

   Comment
   Very close cos 0.910
3. 03
   GitHub github.com Top 100 English

   GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHub

   Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.

   • Google Search Console
   • Adobe
   • Apple Business
   • Atlassian
   • Contentful
   • DocuSign

   0 say GitHub is a good alternative to Read the Docs 0 say GitHub isn’t a real alternative to Read the Docs

   Comment
   Very close cos 0.896
4. 04
   Wikidot wikidot.com Top 10K English

   Wikidot - Free and Pro Wiki Hosting

   Polish wiki hosting corporation

   • Font Awesome
   • Google Search Console
   • Google Workspace
   • Bootstrap
   • Amazon Route 53
   • SendGrid

   0 say Wikidot is a good alternative to Read the Docs 0 say Wikidot isn’t a real alternative to Read the Docs

   Comment
   Close cos 0.894
5. 05
   git-scm.com Top 10K English

   Git

   distributed version control system

   • Cloudflare
   • Cloudflare DNS
   • Fastly
   • jQuery

   0 say git-scm.com is a good alternative to Read the Docs 0 say git-scm.com isn’t a real alternative to Read the Docs

   Comment
   Close cos 0.894
6. 06
   doxygen.org Top 10K English

   Doxygen homepage

   Source code documentation and analysis tool

   • Cloudflare
   • Cloudflare DNS
   • Bootstrap
   • Cloudflare Web Analytics
   • Google AdSense

   0 say doxygen.org is a good alternative to Read the Docs 0 say doxygen.org isn’t a real alternative to Read the Docs

   Comment
   Close cos 0.893
7. 07
   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 Read the Docs 0 say Scribd isn’t a real alternative to Read the Docs

   Comment
   Close cos 0.889
8. 08
   Open Source googlesource.com Top 10K English

   Google Open Source

   Google <3 Open Source

   • Google Search Console
   • Google Cloud
   • Google Fonts

   0 say Open Source is a good alternative to Read the Docs 0 say Open Source isn’t a real alternative to Read the Docs

   Comment
   Close cos 0.887
9. 09
   Zenodo zenodo.org Top 10K English

   Zenodo

   research data repository

   • Cloudflare DNS
   • Google Search Console
   • cdnjs
   • Matomo
   • Microsoft 365
   • nginx

   0 say Zenodo is a good alternative to Read the Docs 0 say Zenodo isn’t a real alternative to Read the Docs

   Comment
   Close cos 0.885
10. 10
    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 Read the Docs 0 say Zotero isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.884
11. 11
    Codeberg e.V. codeberg.org Top 10K English

    Codeberg.org

    Codeberg is a non-profit community-led organization that aims to help free and open source projects prosper by giving them a safe and friendly home.

    0 say Codeberg e.V. is a good alternative to Read the Docs 0 say Codeberg e.V. isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.883
12. 12
    Linux kernel kernel.org Top 10K English

    The Linux Kernel Archives

    Unix-like operating system kernel, basis for all Linux operating systems

    • Google Search Console
    • nginx

    0 say Linux kernel is a good alternative to Read the Docs 0 say Linux kernel isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.883
13. 13
    Starfall starfall.com Top 10K English

    Starfall Education: Kids Games, Movies, Books & Music for K-5 and above

    At Starfall, children have fun while they learn - specializing in reading, phonics & math - educational games, movies, books, songs, and more for children K-5 and above.

    • Google Search Console
    • Google Workspace
    • Apache HTTP Server
    • jQuery
    • Mailjet
    • SendGrid

    0 say Starfall is a good alternative to Read the Docs 0 say Starfall isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.881
14. 14
    SlideShare slideshare.net Top 1K English

    Client Challenge

    American hosting service, owned by Scribd, for professional content including presentations, infographics, documents, and videos

    • Google Search Console
    • Google Workspace
    • Fastly
    • Amazon Route 53

    0 say SlideShare is a good alternative to Read the Docs 0 say SlideShare isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.883
15. 15
    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.

    • Google Search Console
    • Bing Webmaster Tools
    • Matomo
    • nginx

    0 say Open Library is a good alternative to Read the Docs 0 say Open Library isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.882
16. 16
    RustDesk rustdesk.com Top 10K English

    RustDesk: Open-Source Remote Desktop with Self-Hosted Server Solutions

    RustDesk is open-source remote desktop software for your own self-hosted server, a TeamViewer and AnyDesk alternative for Windows, macOS, Linux and Android.

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Amazon SES
    • Astro

    0 say RustDesk is a good alternative to Read the Docs 0 say RustDesk isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.880
17. 17
    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

    • Cloudflare
    • Cloudflare DNS
    • Font Awesome
    • Google Search Console
    • Drupal
    • Google Analytics

    0 say medRxiv is a good alternative to Read the Docs 0 say medRxiv isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.881
18. 18
    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
    • Google Workspace
    • Apache HTTP Server

    0 say Project Gutenberg is a good alternative to Read the Docs 0 say Project Gutenberg isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.880
19. 19
    Wikibooks wikibooks.org Top 10K English

    Wikibooks

    free multilingual online collection of textbooks

    • Google Search Console

    0 say Wikibooks is a good alternative to Read the Docs 0 say Wikibooks isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.881
20. 20
    Go go.dev Top 10K English

    The Go Programming Language

    Go is an open source programming language that makes it simple to build secure, scalable systems.

    • Google Search Console
    • Google Workspace
    • Google Cloud
    • Google Cloud DNS
    • Google Fonts
    • Google Tag Manager

    0 say Go is a good alternative to Read the Docs 0 say Go isn’t a real alternative to Read the Docs

    Comment
    Close cos 0.878

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

04 · Fingerprints

Technology

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