Sites like GitBook

01 · Entity

About GitBook

GitBook gitbook.io

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.

Wikidata: document publishing platform based on git and markdown

Top 10K · #3,534 English 14 technologies Crawled Nov 6, 2026

Visit GitBook

Summary by Claude

GitBook is a hosted documentation platform for writing, publishing and maintaining product and API docs, with Git sync, collaborative editing, AI-powered search and answers, and detection of outdated content.

Who it’s for

Software companies, developer and technical writing teams

Business model

Subscriptions

• documentation software
• product documentation hosting
• API documentation
• docs-as-code Git sync
• AI docs search assistant
• stale content detection
• internal knowledge base
• markdown publishing

02 · Embedding space

Competitor map

Each alternative by how close its vector is to GitBook’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
   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
   • OpenAI
   • SendGrid
   • Adobe
   • Apple Business
   • Atlassian

   0 say GitHub is a good alternative to GitBook 0 say GitHub isn’t a real alternative to GitBook

   Comment
   Very close cos 0.928
2. 02
   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 Search Console
   • Google Workspace
   • OpenAI
   • Adobe

   0 say GitLab is a good alternative to GitBook 0 say GitLab isn’t a real alternative to GitBook

   Comment
   Very close cos 0.924
3. 03
   Read the Docs readthedocs.io Top 1K English

   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.

   • Cloudflare
   • Cloudflare DNS
   • Google Workspace
   • Font Awesome

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

   Comment
   Very close cos 0.913
4. 04
   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 GitBook 0 say git-scm.com isn’t a real alternative to GitBook

   Comment
   Very close cos 0.909
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
   • OpenAI
   • Apple Business
   • Atlassian
   • DocuSign
   • Envoy

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

   Comment
   Very close cos 0.901
6. 06
   Wikidot wikidot.com Top 10K English

   Wikidot - Free and Pro Wiki Hosting

   Polish wiki hosting corporation

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

   0 say Wikidot is a good alternative to GitBook 0 say Wikidot isn’t a real alternative to GitBook

   Comment
   Very close cos 0.900
7. 07
   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.

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

   0 say Bitbucket is a good alternative to GitBook 0 say Bitbucket isn’t a real alternative to GitBook

   Comment
   Close cos 0.894
8. 08
   docs.rs Top 10K English

   Docs.rs

   official documentation website for Rust libraries

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

   0 say docs.rs is a good alternative to GitBook 0 say docs.rs isn’t a real alternative to GitBook

   Comment
   Close cos 0.890
9. 09
   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 GitBook 0 say Open Library isn’t a real alternative to GitBook

   Comment
   Close cos 0.890
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 GitBook 0 say Codeberg e.V. isn’t a real alternative to GitBook

    Comment
    Close cos 0.890
11. 11
    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 Search Console
    • Google Workspace
    • HubSpot
    • Apple Business

    0 say Replit is a good alternative to GitBook 0 say Replit isn’t a real alternative to GitBook

    Comment
    Close cos 0.888
12. 12
    Notion notion.com Top 10K English

    The AI workspace that works for you. | Notion

    Build Custom Agents, search across all your apps, and automate busywork. The AI workspace where teams get more done, faster.

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Contentful
    • Marketo
    • Microsoft 365

    0 say Notion is a good alternative to GitBook 0 say Notion isn’t a real alternative to GitBook

    Comment
    Close cos 0.886
13. 13
    GrowthBook growthbook.io Top 10K English

    GrowthBook | Experimentation, Feature Flags & Product Analytics Platform

    The 1st warehouse-native platform for experimentation, feature flags, and product analytics. Open source and fully transparent. Trusted by 3,000+ companies.

    • Cloudflare
    • Google Analytics
    • Google Search Console
    • Google Workspace
    • HubSpot
    • OpenAI

    0 say GrowthBook is a good alternative to GitBook 0 say GrowthBook isn’t a real alternative to GitBook

    Comment
    Close cos 0.884
14. 14
    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 GitBook 0 say doxygen.org isn’t a real alternative to GitBook

    Comment
    Close cos 0.886
15. 15
    Giphy giphy.com Top 10K English

    GIPHY - Be Animated

    GIPHY is the platform that animates your world. Find the GIFs, Clips, and Stickers that make your conversations more positive, more expressive, and more you.

    • Google Search Console
    • Google Workspace
    • OpenAI
    • SendGrid
    • Apple Business
    • Atlassian

    0 say Giphy is a good alternative to GitBook 0 say Giphy isn’t a real alternative to GitBook

    Comment
    Close cos 0.886
16. 16
    Ghost ghost.org Top 10K English

    Ghost: The best open source blog & newsletter platform

    Beautiful, modern publishing with email newsletters and paid subscriptions built-in. Used by Platformer, 404Media, Lever News, Tangle, The Browser, and thousands more.

    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Apple Business
    • Mailchimp Transactional
    • Netlify

    0 say Ghost is a good alternative to GitBook 0 say Ghost isn’t a real alternative to GitBook

    Comment
    Close cos 0.884
17. 17
    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 GitBook 0 say SlideShare isn’t a real alternative to GitBook

    Comment
    Close cos 0.886
18. 18
    Launchpad launchpad.net Top 1K English

    Launchpad

    software forge

    0 say Launchpad is a good alternative to GitBook 0 say Launchpad isn’t a real alternative to GitBook

    Comment
    Close cos 0.884
19. 19
    Canva canva.com Top 1K English

    Canva

    online graphic design platform

    • Cloudflare
    • Google Search Console
    • Google Workspace
    • HubSpot
    • OpenAI
    • Adobe

    0 say Canva is a good alternative to GitBook 0 say Canva isn’t a real alternative to GitBook

    Comment
    Close cos 0.886
20. 20
    JSTOR jstor.org Top 10K English

    Client Challenge

    distributor of eBooks and other digital media

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

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

    Comment
    Close cos 0.886

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

04 · Fingerprints

Technology

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