10 Open-Source Documentation Frameworks to Check Out
Silvia O'Dwyer

Silvia O'Dwyer @silviaodwyer

About: Coding AI Agents | BSc in Computer Science from UCC, Ireland

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10 Open-Source Documentation Frameworks to Check Out

Publish Date: Feb 21
100 20

So you want to build a documentation site for your project? Well, you've arrived at the right place!

We'll be taking a look at a selection of documentation frameworks that you can use to quickly create your project's docs.

Let's get started!

1. VitePress

First up, I'd recommend VitePress, which is a static site generator powered by Vue.js. It's optimized for building documentation sites and generates pages from Markdown files.

The default theme has a great, modern aesthetic. It also supports dark-mode out of the box, along with built-in search functionality too. You can also configure Vitepress to add a cover page too, which showcases features of your project's library.

It's super quick to get started with, and is powered by Vite, which makes it blazing-fast ⚡️.

Preview:

Vitepress landing page

Website: Vitepress

GitHub Repo: Vitepress GitHub Repo

Features:

  • Fast and SEO-friendly
  • Dark mode theme
  • Markdown-centric
  • Built-in search
  • Quick to setup

Build one for your project: If you'd like to get a documentation site with pre-written pages about your project, be sure take a look at this documentation generator, powered by Isotope AI Agents. Simply enter your GitHub repo and your Vitepress docs site will be generated quickly.

This generator creates engaging, developer-friendly documentation pages (including a getting started guide, etc). It can be useful if you don't want to start from the blank page!

You can then export the full code and documentation content to add to your repository.

🍵 Vitepress Catppuccin plugin

For a pastel aesthetic, be sure to check out the Catppuccin Vitepress plugin, which has four aesthetic themes to choose from:

🌞 Light Theme

Demo of Catppucin light theme for Vitepress

🌙 Dark Theme

Demo of Catppucin dark theme for Vitepress

Top Tip: You can also render Vue components, which can be useful for displaying code examples or custom components within the documentation.

Catppucin Docs


2. Fumadocs

Fumadocs is a new documentation framework that leverages Next.js to build documentation sites. It has a stunning user interface, and an incredibly modern visual aesthetic.

It's powered by Next.js, and has lots of useful components you can add to the pages.

Preview

Fumadocs page, featuring a sidebar, text elements and cards

Website: Fumadocs

GitHub Repo: GitHub Repo

Features:

  • Modern interface with a stunning design
  • Responsive layout
  • Markdown-based content
  • Built-in search functionality
  • Localization support

3. mdBook

The next tool I'd recommend is mdBook, which is a Rust-powered documentation site generator that's quick to setup and install.

It has a cool collection of themes available, and has dark mode support too, a preview of which is shown below. You can switch themes by clicking the paintbrush icon in the top header bar.

MDBook also has built-in search functionality and code syntax highlighting support, which is very useful when you want to add code snippets as part of your docs.

🌞 Light Theme

mdBook page example

🌙 Dark Theme

mdBook Dark theme page

Website: Website

GitHub Repo: GitHub Repo

Features:

  • Powered by Rust
  • Modern, minimal interface
  • Built-in search support
  • Lots of themes to choose from

4. MkDocs

Next up, I'd recommend taking a look at MkDocs! Written in Python, it uses Markdown for content authoring and offers a stunning variety of themes.

Simply add your content files as markdown, and with a single command, your docs will be built!

I often use this for building documentation sites for my repos, and would highly recommend it as it is super quick to install and setup.

Website: MkDocs

GitHub Repo: GitHub Repo

Features:

  • Quick installation and setup
  • Wide range of themes available
  • Markdown-based content authoring
  • Lots of plugins available

MKDocs Material

One of the most popular themes is MKDocs Material, which has a stunning and modern aesthetic. It supports dark-mode and content search right out of the box, plus lots of other cool features.

I've been using it for one of my open-source repositories and would highly recommend it! A demo is here.

Here's a preview:

Image description

Build with AI Agents: If you'd like to generate an MKDocs Material site for your library or GitHub repo (with pages written about your project), try out this generator here.


5. Docusaurus

Docusaurus is a modern documentation generator developed by Facebook and built with React. It's one of the most popular documentation generators out there, with over 50k stars on GitHub.

It has a lot of customization options so that you can configure the look and feel of the generated site.

🌞 Light Theme:

Docusaurus installation page

🌙 Dark Theme:

Docusaurus configuration page with text elements

Website: Docusaurus

GitHub Repo: GitHub Repo

Features:

  • Built with React
  • Customizable themes and layouts
  • Comprehensive documentation
  • Versioning and localization support

6. Slate

If you'd like to build API documentation, then I would recommend taking a look at Slate. This is a popular, open-source generator designed for creating beautiful, responsive API documentation. Its clean layout and easy navigation make it a favorite for documenting RESTful APIs.

Preview:

Slate docs

Website: Slate

GitHub Repo: GitHub Repo

Features:

  • Responsive and modern design
  • Clean, intuitive navigation
  • Markdown-based content authoring
  • Customizable styling
  • Extensive documentation

7. Astro Starlight

Astro is a blazing-fast static site generator, which you can use to build blogs, documentation sites and more. It has a useful documentation theme called Starlight, with lots of features including built-in search, a dark theme, localization and more.

🌙 Dark Theme

Starlight page with a dark theme

🌞 Light Theme

Starlight page

Website: Starlight

GitHub Repo: GitHub Repo

Features:

  • Quick to setup
  • Dark mode
  • Detailed documentation and examples
  • Powered by Astro

8. Docsify

Docsify generates documentation websites on the fly without a static site generator build process. Simply write Markdown files and then Docsify will handle the rest.

You can also configure Docsify to generate a full-screen cover page, which has a cool, randomized gradient background. A preview of this is shown below:

Docsify cover page

If you want a documentation site that just works out of the box, without any build steps, then I would recommend Docsify.

Website: Docsify

GitHub Repo: GitHub Repo
Automatic Generator for Your Repo: Generator Here

Features:

  • No build process required
  • Real-time Markdown rendering
  • Customizable themes and plugins
  • Easy integration and setup

9. Zola

Zola is a static site generator written in Rust. It has some cool documentation themes that you can use to build docs sites quickly. One of these is the EasyDocs Theme, and a preview of it is shown below. This theme has a modern, minimal design aesthetic with a quick setup overall.

Preview:

Zola EasyDocs Theme

Website: Zola Easy Docs Theme

GitHub Repo: GitHub Repo

Features:

  • Generates static HTML sites from Markdown
  • Simple configuration and setup
  • Lightweight and fast performance
  • Clean, responsive design
  • Well-organized documentation

10. Docus

Docus is a documentation theme that's powered by Nuxt and Vue. It's quick to setup overall, and uses a markdown-based system for content authoring.

It has a built-in collection of components that may be useful when building documentation sites. You can quickly specify the project's social media profiles and more in the configuration options. These will then be displayed in the header of the page.

Preview

Docus documentation example page

Demo: Docus Demo

GitHub Repo: GitHub Repo

Features

  • Powered by Nuxt
  • Different layouts available, including blog posts
  • Markdown-based
  • Lots of useful components available

Get More Resources Like This

If you'd like to get more resources like this, I also publish a weekly newsletter here where I share more roundups of useful frameworks as well as code tutorials. :-)

Conclusion

Thanks for reading! Hopefully you've discovered some new documentation frameworks to take a look at.

Do you have any others you'd like to recommend? Let me know, as I'd love to update this list with new examples!

Wishing you the very best, and hope to see you again soon!

Comments 20 total

  • Ravindra Kumar
    Ravindra KumarFeb 22, 2025

    Awesome , Very Helpfull ........😍

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 22, 2025

      Thanks for reading, Ravindra! Appreciate it 🙌

  • flo merian
    flo merianFeb 22, 2025

    I love beautiful docs. I stumbled upon Fumadocs a few months ago and it was lovely at first sight. Recommend 10/10.

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 22, 2025

      I agree! Fumadocs looks amazing, I was so glad to have discovered it. Definitely going to make use of it at some point for future library docs. It has a stunning user interface overall, I must say.
      Thanks for reading! 🙌

  • Madhurima Rawat
    Madhurima RawatFeb 23, 2025

    Great list 🌟 Very helpful tools

  • Peter Galiba
    Peter GalibaFeb 23, 2025

    Where is Storybook, one of the most used frameworks to build any UI documentation?

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 23, 2025

      Great point, I will update the article to include Storybook for UI component documentation too. ✅ Thanks for reading! 🙌

  • GigAHerZ
    GigAHerZFeb 23, 2025

    No eleventy? :O

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 23, 2025

      Ooh Eleventy looks great for documentation sites, I will update the article to include Eleventy too. Thanks for recommending it :-)

  • Peter W
    Peter WFeb 23, 2025

    The website link for Starlight appears to be incorrect, and sent me to the docfx docs.

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 23, 2025

      Whoops, thanks for pointing that out Peter! I was planning to add DocFX as well, and the link sneaked its way in haha
      I just updated the article with the correct link for Starlight ✅

  • Roberto B.
    Roberto B.Feb 23, 2025

    thank you for sharing this great list.
    I’m using Starlight and it is super!

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 23, 2025

      I agree, Starlight is a fantastic docs theme! And Astro is so useful for generating static sites.
      Thanks for reading, Roberto! 🙌

  • Toe Wai Lin
    Toe Wai LinFeb 23, 2025

    Good. Very helpful.

  • Alex Jevan
    Alex JevanFeb 24, 2025

    Thank you for sharing this great list for next level upcoming framework.

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 24, 2025

      Appreciate it, thanks for reading, Alex! 🙌

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  • Martin Sarosi
    Martin SarosiFeb 24, 2025

    Antora?

    • Silvia O'Dwyer
      Silvia O'DwyerFeb 24, 2025

      Thanks for recommending Antora! I'll add it to the list next :-)

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