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Publishing tool options for developer docs

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In the developer documentation space, you have many tool options for creating and publishing documentation, and there’s no clear industry standard. Different tools may better suit different environments, skill sets, products, and requirements. On this page, I’ve listed the most common authoring tools related to the developer documentation space.

I’ve sorted these tools into several main groups:

As explained in Docs-as-code tools, I’m primarily focusing on static site generators and hosting/deployment options rather than traditional help authoring tools (HATs). See Why focus on publishing API docs? for more background.

The tools below are particularly useful for writing and deploying the non-reference content in your project. For tools specifically related to the OpenAPI specification, see Ultimate Guide to 30+ API Documentation Solutions from Nordic APIs and Tools and Integrations from Smartbear.

Static site generators

Static site generators are applications that you can run on the command line (or potentially through some other UI) to compile a website from simpler source files. For example, you might have various files defining a layout, some “include” files, a configuration file, and your content files. The static site generator reads your configuration file and pushes your content into the layout files, adds whatever includes are referenced (such as a sidebar or footer), and writes out the HTML pages from the Markdown sources. Each page usually has the sidebar and other navigation included directly into it, as well as all the other layout code you’ve defined, ready for viewing online.

Additionally, static site generators can be used programmatically in build scripts that are run as part of a process. This allows them to be leveraged in continuous delivery processes that are triggered from a particular trigger, such as a commit to a particular branch in a version control repository, or as part of a script.

With a regular content management system (CMS) like WordPress, content is actually stored in a separate database and dynamically pulled from the database to the web page on each user visit. Static site generators don’t have databases — all the content is on the page already, and nothing is dynamically assembled on the fly through PHP or other server-side scripting. All the pages on a static site were built prior to the browser’s request, enabling an instantaneous response; nothing changes dynamically based on the user’s profile (unless done with client-side JS).

Freedom from the database makes static site generators much more portable and platform independent. You simply have a collection of text files. In contrast, moving from one CMS to another usually involves database migration, and the many database fields from one CMS don’t usually map cleanly to other databases, not to mention the unique configurations and other infrastructure required for each solution. Static site generators remove that database and infrastructure complexity, making the text files lighter, more portable, and less prone to error from database and server issues.

Before I had my blog in Jekyll, I used WordPress (and was even a WordPress consultant for 5 years as a side job). I can’t count how many times my WordPress blog went down or had other issues. I routinely had to contact Bluehost (my web host) to find out why my site was suddenly down. I religiously made backups of the database, applied security patches and hardening techniques, optimized the database through other tools, and more. And with all of this maintenance hassle, the site was extremely slow, delivering pages in 2+ seconds instead of 0.5 seconds with Jekyll. For my many WordPress clients, I often had to troubleshoot hacked databases.

With static site generators, when you’re developing content on your local machine, you’re usually given a web server preview (such as Many static site generators rebuild your site continuously in the preview server each time you make a change. The time to rebuild your site could take less than a second, or if you have thousands of pages, several minutes.

Because everything is compiled locally, you don’t need to worry about security hacks into a database. Everything is a human-readable plain text file, from the content files you write in to the application code. It’s also incredibly easy to work with custom code, such as special JavaScript libraries or advanced HTML or other complex code you want to use on a page. You can author your content in Markdown or HTML, add code samples inside code blocks that are processed with a code-syntax highlighter, and more. It’s simply much easier and more flexible to do what you want.

Most static site generators allow you to use a templating and scripting languages, such as Liquid or Go, inside your content. You can use if-else statements, run loops, insert variables, and do a lot more sophisticated processing of your content through this templating language directly on your page.

Because you’re working with text files, you usually store your project files (but not the built site output) in a code repository such as GitHub. You treat your content files with the same workflow as programming code — committing to the repository, pushing and pulling for updates, branching and merging, and more.

When you’re ready to publish your site, you can usually build the site directly from your Git repository, rather than building it locally and then uploading the files to a web server. This means your code repository becomes the starting point for your publishing and deployment pipeline. “Continuous delivery,” as it’s called, eliminates the need to manually build your site and deploy the build. Instead, you just push a commit to your repository, and the continuous delivery pipeline or platform builds and deploys it for you.

Although there are hundreds of static site generators (you can view a full list at, only a handful of are probably relevant for documentation. I’ll consider these three in this article:

One could discuss many more — Hexo, Middleman, Gitbook, Pelican, and so on. But the reality is that only a handful of static site generators are commonly used for documentation projects.


I devote an entire topic to Jekyll in this course, complete with example Git workflows, so I won’t go as deep in detail here. Jekyll is a Ruby-based static site generator originally built by the co-founder of GitHub. Jekyll builds your website by converting Markdown to HTML, inserting pages into layouts you define, running any Liquid scripting and logic, compressing styles, and writing the output to a site folder that that you can deploy on a web server.

There are several compelling reasons to use Jekyll:

  • Large community. The community, arguably the largest among static site generator communities, includes web developers, not just documentation-oriented groups. This broader focus attracts more developer attention and helps propel greater usage.
  • Control. Jekyll provides a lot of powerful features (often through Liquid, a scripting language) that allow you to do almost anything with the platform. This gives you an incredible amount of control to abstract complex code from users through simple templates and layouts. Because of this, you probably won’t outgrow Jekyll. Jekyll will match whatever web development skills or other JS, HTML, or CSS frameworks you want to use with it. Even without a development background, it’s fairly easy to figure out and code the scripts you need. (See my series Jekyll versus DITA for details on how to do in Jekyll what you’re probably used to doing in DITA.)
  • Integration with GitHub and AWS S3. Tightly coupling Jekyll with the most used version control repository on the planet (GitHub) almost guarantees its success. The more GitHub is used, the more Jekyll is also used, and vice versa. GitHub Pages will auto-build your Jekyll site (“continuous delivery”), allowing you to automate the publishing workflow without effort. If GitHub isn’t appropriate for your project, you can also publish to AWS S3 bucket using the s3_website plugin, which syncs your Jekyll output with an S3 bucket by only adding or removing the files that changed.

For theming, Jekyll offers the ability to package your theme as a Rubygem and distribute the gem across multiple Jekyll projects. Rubygems is a package manager, which means it’s a repository for plugins. You pull the latest gems (plugins) you need from Rubygems through the command line, often using Bundler. Distributing your theme as a Rubygem is one approach you could use for breaking up your project into smaller projects to ensure faster build times.

If you’re looking for a documentation theme, see my Documentation theme for Jekyll.


Hugo is a static site generator that is rapidly growing in popularity. Based on the Go language, Hugo builds your site faster than most other static site generators, including Jekyll. There’s an impressive number of themes, including some designed for documentation. Specifically, see the Learn theme and this Multilingual API documentation theme.

As with Jekyll, Hugo allows you to write in Markdown, add frontmatter content in YAML (or TOML or JSON) at the top of your Markdown pages, and more. In this sense, Hugo shares a lot of similarity with Jekyll.

Hugo has a robust and flexible templating language (Golang) that makes it appealing to designers, who can build more sophisticated websites based on the depth of the platform (see Hugo’s docs here). Go templating has more of a learning curve than templating with Liquid in Jekyll, and the docs might assume more technical familiarity than many users have. Still, the main selling point behind Hugo is that it builds your site fast. This speed factor might be enough to overcome other issues.

Comparing speed with Hugo with Jekyll

Speed here refers to the time to compile your web output, not the time your site takes to load when visitors view the content in a browser.

Speed may not be immediately apparent when you first start evaluating static site generators. You probably won’t realize how important speed is until you have thousands of pages in your site and are waiting for it to build.

Although it depends on how you’ve coded your site (e.g., the number of for loops that iterate through pages), in general, I’ve noticed that with Jekyll projects, if you have, say, 1,000 pages in your project, it might take about a minute or two to build the site. Thus, if you have 5,000 pages, you could be waiting 5 minutes or more for the site to build. The whole automatic re-building feature becomes almost irrelevant, and it can be difficult to identify formatting or other errors until the build finishes. (There are workarounds, though, and I’ll discuss them later on.)

If Hugo can build a site much, much faster, it offers a serious advantage in the choice of static site generators. Given that major web development sites like Smashing Magazine chose Hugo for their static site generator, this is evidence of Hugo’s emerging potential among the static site generators.

For a detailed comparison of Hugo versus Jekyll, see Hugo vs. Jekyll: Comparing the leading static website generators. In one of the comments, a reader makes some interesting comments about speed:

I have been doing extended research on this topic and in the end chose to use Jekyll. I have done a huge project:, where we have made the complete website Open Source on Github.

Fun project where I ended up moving quite some stuff from Jekyll to Node. For example generating Sitemaps tended to be faster when doing it in Node instead of Jekyll.

But… Here’s the downside. Our documentation is about 2700 pages (I’ll have to lookup the real number). Generating the whole site takes about 90 seconds. That’s kind of annoying when you’re iterating over small changes. I did a basic test in Hugo, it does it in about 500ms.

So if I am able to transfer the work that’s done by plugins to Hugo/Node, I am going to refactor this to Hugo, because of the speed.

I might end up writing a similar blog about this project, it’s long overdue.

In sum, generating a 2,700 page document site in Jekyll took 90 seconds; with Hugo, it took 0.5 seconds. This is a serious speed advantage that will allow you to scale your documentation site in robust ways. The author (whose docs are here: did later make the switch from Jekyll to Hugo (see the doc overview in GitHub). This suggests that speed is perhaps a primary characteristic to evaluate in static site generators.

The deliberation between Hugo and Jekyll will require you to think about project size — how big should your project be? Should you have one giant project, with content for all documentation/products stored in the same repo? Or should you have multiple smaller repos? These are some of the considerations I wrestled with when implementing docs-as-code tooling. I concluded that having a single, massive project is preferable because it allows easier content re-use, onboarding, validation, and error checking, deployment management, and more.

Regarding build speed, there are workarounds in Jekyll to enabling faster builds. In my doc projects at work (where we have probably 1,500 pages or so across many different doc sets), we implemented clever build shortcuts. By cascading configuration files, we can limit the builds to one particular doc directory. I have one configuration file (e.g., _config.yml, the default) that sets all content as publish: true, and another configuration file (e.g., config-acme.yml) that sets all content as publish: false except for a particular doc directory (the one I’m working with, e.g., acme). When I’m working with that acme doc directory, I build Jekyll like this:

jekeyll serve --config _config.yml,config-acme.yml

The config-acme.yml will overwrite the default _config.yml to enable one specific doc directory as publish: true while disabling all others. As a result, Jekyll builds lightning fast. This method tends to work quite well and is used by others with large Jekyll projects as well. We have continuous delivery configured with the server, so when it’s time to push out the full build (where publish: true is applied to all directories and no config-acme.yml file is used), the full build process takes place on the server, not the local machine.

Although static site generators seem to change quickly, it’s harder for one tool, like Hugo, to overtake another, like Jekyll, because of the custom coding developers usually do with the platform. If you’re just using someone’s theme with general Markdown pages, great, switching will be easy. But if you’ve built custom layouts and added custom frontmatter in your Markdown pages that gets processed in unique ways by the layouts, as well as other custom scripts or code that you created in your theme specifically for your content, changing platforms will be more challenging. You’ll have to change all your custom Liquid scripting to Golang. Or if working with another platform, you might need to change your Golang scripts to Jinja templating, and so forth.

For this reason, unless you’re using themes built by others, you don’t often jump from one platform to the next as you might do with DITA projects, where more commercial platforms are used to process and build the outputs.


Sphinx is a popular static site generator based on Python. It was originally developed by the Python community to document the Python programming language (and it has some direct capability to document Python classes), but Sphinx is now commonly used for many documentation projects unrelated to Python. Part of Sphinx’s popularity is due to its Python foundation, since Python works well for many documentation-related scripting scenarios.

Because Sphinx was designed from the ground up as a documentation tool, not just as tool for building websites (like Jekyll and Hugo), Sphinx has more documentation-specific functionality that is often absent from other static site generator tools. Some of these documentation-specific features include robust search, more advanced linking (linking to sections, automating titles based on links, cross-references, and more), and use of reStructuredText (rST), which is more semantically rich, standard, and extensible than Markdown. (See What about reStructuredText and Asciidoc? for more details around rST compared to Markdown.)

Sphinx can be used with the Read the Docs platform. Overall, Sphinx has a passionate fan base among those who use it, especially among the Python community. However, because Sphinx is specifically designed as a documentation tool, the community might not be as large as some of the other static site generator communities.

As of July 2018, shows the number of stars, forks, and issues as follows:

Top static site generators

On the site, the star icon represents the number of users who have “starred” the project (basically followed its activity). The forked icon represents the number of repo forks that exist registered on their platform (GitHub, etc). The bug icon represents the number of open issues logged against the project. The green numbers indicate trends with these numbers.

Jekyll, Next, and Hugo are the most common static site generators. IF you look at, you’ll see that between Hugo and Sphinx, there are about 20 other static site generators (Hexo, Gatsby, GitBook, Nuxt, Pelican, Metalsmith, Brunch, Middleman, MkDocs, Harp, Expose, Assemble, Wintersmith, Cactus, React Static, Docpad, hubPress, Phenomic, Lektor, Hakyll, Nanoc, Octopress, and then Sphinx). But I called out Sphinx here because of its popularity among documentation groups and for its integration with Read the Docs.


Besides Jekyll, Hugo, and Sphinx, there are some other popular static site generators worth noting here: MkDocs and Slate.


MkDocs is a static site generator based on Python and designed for documentation projects. Similar to Jekyll, with MkDocs you write in Markdown and store page navigation in YAML files. You can adjust the CSS and other code (or create your own theme). Notably, the MkDocs provides some themes that are more specific to documentation, such as the Material theme. MkDocs also offers a theme (“ReadtheDocs”) that resembles the Read the Docs platform.

Some other themes are also available. MkDocs uses Jinja templating, provides template variables for custom theming, and more.

Although there are many static site generators with similar features, MkDocs is one more specifically oriented towards documentation. For example, it does include search.

However, while it seems like orienting the platform towards documentation would be advantageous for tech writers, this approach might actually backfire, because it shrinks the community. The number of general web designers versus documentation designers is probably a ratio of 100:1. As such, MkDocs remains a small, niche platform that probably won’t see much growth and long-term development beyond the original designer’s needs.

This is the constant tradeoff with tools — the tools and platforms with the most community and usage aren’t usually the doc tools. The doc tools have more features designed for tech writers, but they lack the momentum and depth of the more popular website building tools.


Slate (based on Middleman, a Ruby-based static site generator that is popular) is a common static site generator for API documentation that follows the three-column design made popular by Stripe.

With Slate, you write in Markdown, build from the command line, and deploy your site similar to other static site generators. All your content appears on one page, with navigation that lets users easily move down to the sections they need.

Unlike with other static site generators mentioned here, Slate is more focused on API documentation than other types of content.


The list of other doc-oriented static site generator possibilities is quite extensive. Although probably not worth using due to the small community and limited platform, you might also explore Asciidoctor, Dexy, Nanoc, API Documentation Platform, Apidoco, and more.

For more doc tools, see the Generating Docs list in Beautiful Docs. Additionally, DocBuilds tries to index some of more popular documentation-specific static site generators.

What about …[x]?

Right now there are probably many readers who are clenching their first and lowering their eyebrows in anger at the omission of their tool. What about … Docpad!!??? What about Nikola??!!

Hey, there are a lot of tool options out there, and you might have found the perfect match between your content needs and the tool. (This page is already 5,000+ words long.) If you feel strongly that I missed an essential tool for docs here, feel free to contact me. Additionally, the tools landscape for developer docs is robust, complex, and seemingly endless.

Also, recognize that I’m only recommending what I perceive to be the most popular options. The developer tool landscape is diverse and constantly changing, and what may be relevant one day might be passé the next. This is a difficult space to navigate, and selecting the right tool for your needs is a tough question. I offer more specific advice and recommendations in Which tool to choose for API docs — my recommendations. The tool you choose can massively affect both your productivity and capability, so it tends to be an important choice.

Hosting and deployment options

Static site generators handle content development, but not hosting and deployment. For this, you have another category of tools to consider. I call this category of tools “hosting and deployment options.”

Theoretically, you could publish a static website on any web server (e.g., AWS S3, Bluehost, and more). But continuous delivery hosting platforms do something more — they automatically build your output when you commit a change to a repo. These platforms often read content stored on GitHub, sync it to their platform, and initiate build and publishing processes when they detect a change in a particular branch (such as gamma or prod).

Hosting and deployment platforms usually offer a number of additional features beyond simple web hosting, such as SSL, CDNs, minification, authentication, backup/redundancy, and more. These platforms often integrate with specific static site generators as well (which is one reason I limited my earlier discussions to Jekyll, Hugo, and Sphinx).

GitHub Pages

GitHub Pages provides a free hosting and deployment option for Jekyll projects. If you upload a Jekyll project to a GitHub repository, you can indicate that it’s a Jekyll project in your GitHub repo’s Settings, and GitHub will automatically build it when you commit to your repo. This feature — building Jekyll projects directly from your GitHub repo — is referred to as GitHub Pages.

Quite a few doc sites use GitHub and Jekyll. For example, Bootstrap uses it:

GitHub Pages integration with GitHub repositories
GitHub Pages integration with GitHub repositories

In your GitHub repo, click Settings and scroll down to GitHub Pages. This is where you activate GitHub Pages for your project.

Every GitHub repository is potentially a Jekyll project that you can auto-build when you commit to it.

The tight integration of Jekyll with GitHub makes for a compelling argument to use a Jekyll-GitHub solution. For the most part, GitHub is the dominant platform for open source projects. If you’re already using GitHub, it makes sense to choose a static site generator that integrates into the same platform to build your docs.

GitHub Pages is free but does have some limitations in scope:

  • GitHub Pages source repositories have a recommended limit of 1GB .
  • Published GitHub Pages sites may be no larger than 1 GB.
  • GitHub Pages sites have a soft bandwidth limit of 100GB per month.
  • GitHub Pages sites have a soft limit of 10 builds per hour. (See Usage Limits)

Unlike with other hosting and deployment platforms, GitHub Pages doesn’t offer a commercial version that expands these limits. You can learn more about GitHub Pages here.

I build this site and my blog using Jekyll and GitHub Pages. They are actually separate Jekyll projects and repos. My blog is in a GitHub repo called, named after my GitHub user name but published using a custom domain (Without the custom domain, it would be available at The API doc site is in a repo called learnapidoc. It’s available by default at They seem like the same site, but they are actually separate projects in separate repos. The fact that each repo is simply available in a subdirectory like this off of my main domain is pretty cool.


Suppose you want to use Jekyll and GitHub, but you’re frustrated by GitHub’s limitations and you need a more robust platform for your Jekyll project. If so, CloudCannon is your solution. CloudCannon gives you a host of additional features that GitHub lacks, such as:

  • Authentication of users
  • Multiple environments for different branches
  • Visual online interface for editing
  • Jekyll plugins
  • SSL for custom domains
  • Automatic minification, and more

The founders of CloudCannon are experts with Jekyll and have designed the platform specifically for Jekyll projects. They also created a host of Jekyll tutorials to enrich developer knowledge.

Read the Docs

Read the Docs is an online hosting and deployment platform that can read Sphinx projects (from a public repository such as GitHub or Bitbucket) and automatically build the web output. In other words, it is a “continuous documentation platform for Sphinx” (see An introduction to Sphinx and Read the Docs for Technical Writers).

The introduction on the Read the Docs homepage describes the platform as follows:

Read the Docs hosts documentation, making it fully searchable and easy to find. You can import your docs using any major version control system, including Mercurial, Git, Subversion, and Bazaar. We support webhooks so your docs get built when you commit code. There’s also support for versioning so you can build docs from tags and branches of your code in your repository.

Read the Docs provides both an open-source, free version ( and a commercial version ( This allows you to level-up your project when your needs mature but also doesn’t lock you into a paid solution when you’re not ready for it.

Read the Docs provides themes specific for documentation websites, and also lets you author in reStructuredText (or Markdown, if you prefer that instead). reStructuredText provides more documentation-specific features and semantics — see my discussion in What about reStructuredText and Asciidoc? for more details, or see Why You Shouldn’t Use “Markdown” for Documentation for a more impassioned argument for rST.

The Read the Docs documentation shows a sample output.

Some key features include a robust sidebar with expand/collapse functionality, search, versioning, output to PDF and ePub, and more.

To learn more about the platform, read through the Read the Docs guide. Read the Docs includes most of the features technical writers would expect, especially related to single-source publishing. Some of these features, noted in An introduction to Sphinx and Read the Docs for Technical Writers, include the following:

  • Output HTML, PDF, ePub, and more
  • Content reuse through includes
  • Conditional includes based on content type and tags
  • Multiple mature HTML themes that provide great user experience on mobile and desktop
  • Referencing across pages, documents, and projects
  • Index and Glossary support
  • Internationalization support.

The Read the Docs platform was co-founded by Eric Holscher, the same co-founder of Write the Docs. Write the Docs was originally intended as a conference for the Read the Docs community but evolved into a more general conference focused on technical communication for software projects. If you go to a Write the Docs conference, you’ll find that sessions focus more on best practices for documentation rather than discussions about tools. (You can read my post, Impressions from the Write the Docs Conference or listen to this Write the Docs podcast with the co-founders for more details.)

Read the Docs has an impressive number of users. The platform has thousands of projects and receives millions of page views a month across these projects. In 2016, Read the Docs had more than 50,000 projects and received 252 million page views and 56 million unique visitors). You can view their stats here. Read the Docs is one of the most visited sites on the web and continues to grow at an impressive rate.


Netlify is a popular hosting and deployment service for static site projects. Unlike with other hosting platforms, Netlify works with almost any static site generator, not just with Jekyll or Sphinx.

Netlify offers continuous delivery for your project. You can store your content on GitHub, GitLab, or Bitbucket, then link it to Netlify, and Netlify will build whenever you push changes.

Netlify offers a free plan with features similar to GitHub Pages, but also lets you scale up to Pro, Business, or Enterprise plans for more robust needs. With Netlify, you can get deploy previews, rollbacks, form handling, distributed content delivery network (CDN), infinite scalability, SSL, a programmable API, CLI, and more.

The most impressive example of a Netlify-hosted site is Smashing Magazine. Previously hosted on WordPress, Smashing Magazine made the switch to Netlify, with Hugo as the static site generator engine. See Smashing Magazine just got 10x faster for details.

Other notable doc sites using Netlify include Docker, Kubernetes, React, Yarn, Lodash, Gatsby, and Hugo.

Complementing Netlify is Netlify CMS, a headless CMS for your content (which I discuss in more detail later on).


Aerobatic is similar to Netlify in that it builds and publishes your static site. Aerobatic gives you a robust publishing engine that includes a CDN, SSL, continuous delivery, a deployment CLI, password protection, and more. Aerobatic can publish a number of static site generators, including Jekyll, Hugo, Hexo, and more. Aerobatic says,

Aerobatic is a specialized platform for efficient delivery of static webpages and website assets. We take care of the configuration details for you that provide the best balance of performance and maintainability. Stop fiddling with CDNs and web server configs and focus on coding great front-end experiences. — Static website serving

Headless CMSes

Finally, there is a class of developer doc tools that provide online GUIs for authoring and publishing, but they still store your content as flat files in repositories such as GitHub and Bitbucket. In other words, they provide a experience for your content (giving you a user interface to browse your posts, pages, layouts, and other content), but allow your content to live in plain text files in version control repositories. This category of tools is called “headless CMSs.”

Just as we have that lists common static site generators, there’s a similar index of headless content management systems, this one arranged in alphabetical order (rather than ranked by popularity).

Headless CMSs often combine both the authoring and the hosting/deployment in the same tool. Updates you make are built automatically on the platform. But unlike WordPress, the solution does not involve storing your doc content in a database and dynamically retrieving that content from the database when readers visit your page. Many times you can store your content on GitHub, and the headless CMS will read/pull it in a seamless way. (The platform probably will contain a database of some kind for your profile and other CMS features, but your content is not stored and retrieved there.) is similar to CloudCannon in that it offers online hosting for Jekyll projects, but it also provides hosting for Hugo and for Git. Forestry’s emphasis is on providing an online CMS interface for static site generators.

The CMS interface gives you a WordPress-like GUI for seeing and managing your content. The idea is that most static site generators ostracize less technical users by forcing them into the code. (For example, when I write a post in Jekyll, usually others who look over my shoulder think I’m actually programming, even though I’m just writing posts in Markdown.) The CMS removes this by making the experience much more user friendly to non-technical people while also still leveraging the openness and flexibility of the static site generator platform.

Unlike CloudCannon, Forestry also offers an on-premise enterprise installation so you can host and manage the entire platform behind your company’s firewall.

Netlify CMS

Netlify CMS is similar to Forestry in its offering of a content management system for static site generators. But rather than limiting the static site generators you can use, it provides a more open platform wrapper (built with React but using Git to manage the content) that integrates with any static site generator.

One of Netlify CMS’s key advantages is in simplifying the content development experience for less technical users. But you can also standardize your authoring through the interface. Netlify CMS lets you map the custom fields in your theme to a GUI template, as shown in the image below. This reduces the chance that authors might use the wrong frontmatter tag in their pages (for example, intro_blurb or IntroBlurb or introBlurb) and instead just provides a box for this.

Netlify lets you create a user interface for your custom fields.

Your content source can be stored in GitHub, GitLab, or BitBucket. Netlify CMS also integrates with Netlify, which is a popular hosting and deployment service for static site projects.

For a tutorial on integrating Jekyll with Netlify CMS, see Adding a CMS to Your Static Site With Netlify CMS. Or just start with the Netlify CMS documentation. is an online CMS for docs that offers one of the most robust, full-featured interfaces for developer docs available. isn’t a headless CMS, meaning you don’t just point to your GitHub repo to pull in the content. Instead, I believe stores content in a database (though this detail isn’t mentioned on their site).’s emphasis is on providing an interface that helps you more easily write documentation based on best practices and designs. provides a number of wizard-like screens to move you through documentation process, prompting you with forms to complete.

Most importantly, includes specific features for displaying API documentation content, which puts it into a class of its own. Although you can add your API information manually, you can also import an OpenAPI specification file. You can experiment by choosing one from the OpenAPI examples, such as this one.’s integration of OpenAPI along with other doc content helps integrate outputs that are often separated. (This fragmentation is a problem I explore later in Integrating Swagger UI with the rest of your docs.)

Overall, provides a robust GUI for creating API documentation in a way that is more extensive and well-designed than virtually any other platform available. The output includes an interactive, try-it-out experience with endpoints:

The experience is similar to Swagger in that the response appears directly in the documentation. This API Explorer gives you a sense of the data returned by the API.

There are some challenges with It isn’t free, so you’ll need licenses per author. Additionally, there isn’t any content re-use functionality (currently), so if you have multiple outputs for your documentation that you’re single sourcing, may not be for you. Finally, if you want to customize your own design or implement a feature not supported, you can’t just hack the code (though you can adjust the stylesheet). Overall, with a hosted solution like, you’re stuck within the platform’s constraints.

Even so, the output is sharp and the talent behind this site is top-notch. The platform is constantly growing with new features, and there are many high-profile companies with their docs on Readme. If you consider how much time it actually takes to build and deploy your own doc solution, going with a site like will save you a lot of time. It will let you focus on your content while also adhering to best practices with site design.

Here are a few sample API doc sites built with

Which tool should you use? I provide some more concrete recommendations in Which tool to choose for API docs – my recommendations.

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