Sites like Read the Docs

01 · Entity

About Read the Docs

Read the Docs readthedocs.io

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.

Top 1K · #893 English 4 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, pull request preview builds and access controls. It is free for open-source projects and has paid Business plans for private and commercial documentation.

Who it’s for

Software developers, open-source projects and documentation teams

Business model

Subscriptions for business plans; free community tier

• documentation hosting
• Sphinx documentation hosting
• versioned documentation
• pull request preview builds
• docs-as-code from Git
• private documentation with SSO
• documentation search
• MkDocs hosting
• open source project 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
   • Fastly
   • Google Search Console
   • 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 0.914
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 Workspace
   • Amplitude
   • Framer
   • Google Ads conversion tracking

   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 0.913
3. 03
   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
   Very close cos 0.900
4. 04
   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.

   • Adobe
   • Apple Business
   • Atlassian
   • Contentful
   • DocuSign
   • GitHub Pages

   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 0.901
5. 05
   Wikidot wikidot.com Top 10K English

   Wikidot - Free and Pro Wiki Hosting

   Polish wiki hosting corporation

   • Font Awesome
   • Google Workspace
   • Bootstrap
   • Google Search Console
   • 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
   Very close cos 0.897
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
   Very close cos 0.894
7. 07
   Open Source googlesource.com Top 10K English

   Google Open Source

   Google <3 Open Source

   • Google Cloud
   • Google Fonts
   • Google Search Console

   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 0.893
8. 08
   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.

   • Apple Business
   • Atlassian
   • DocuSign
   • Envoy
   • Fastly
   • GlobalSign

   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 0.890
9. 09
   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 0.886
10. 10
    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 0.887
11. 11
    Zenodo zenodo.org Top 10K English

    Zenodo

    research data repository

    • Cloudflare DNS
    • cdnjs
    • Google Search Console
    • 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 0.886
12. 12
    SlideShare slideshare.net Top 1K English

    Client Challenge

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

    • Google Workspace
    • Fastly
    • Google Search Console
    • 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 0.886
13. 13
    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 Workspace
    • Amazon SES
    • Astro
    • Google Analytics

    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 0.882
14. 14
    Bitbucket bitbucket.org Top 10K English

    Bitbucket | Git solution for teams using Jira

    Bitbucket Cloud is a Git-based code and CI/CD tool optimized for teams using Jira.

    • Atlassian
    • Contentful
    • Google Search Console
    • jQuery
    • Meta Business Suite
    • Proofpoint

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

    Comment
    Close cos 0.881
15. 15
    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 0.882
16. 16
    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 Workspace
    • Google Cloud
    • Google Cloud DNS
    • Google Fonts
    • Google Search Console
    • 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 0.881
17. 17
    GitLab gitlab.com Top 1K English

    GitLab - Speed with control for agentic software engineering

    Teams and agents ship trusted software faster with GitLab, the intelligent orchestration platform with context and governance for the entire software lifecycle.

    • Cloudflare
    • Cloudflare DNS
    • Google Workspace
    • Adobe
    • Apple Business
    • Atlassian

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

    Comment
    Close cos 0.881
18. 18
    Replit replit.com Top 10K English

    AI App and Website Builder | Replit

    Describe what you want. Replit builds it. Get a working app or website in minutes. No coding required.

    • Cloudflare
    • Cloudflare DNS
    • Google Workspace
    • Apple Business
    • Express
    • Google Search Console

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

    Comment
    Close cos 0.880
19. 19
    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.

    • Bing Webmaster Tools
    • Google Search Console
    • 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 0.880
20. 20
    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 Workspace
    • Apache HTTP Server
    • Google Search Console
    • 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 0.877

Ranked by score: the cosine similarity of each site’s vector to readthedocs.io’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.