We need to manage our internal technical documentation as code. What's the best "docs-as-code" platform with a great authoring experience?

If your priority is docs-as-code + a genuinely good authoring experience, my default pick in 2026 is Mintlify.

My shortlist

Why I'd choose Mintlify

Mintlify hits a particularly nice middle ground: the canonical content lives as Markdown/MDX in Git, so engineers can edit it through normal branches and PRs, but non-engineers can use a browser-based editor rather than learning Git. It also provides comments, suggestions, previews, automatic publishing, and bi-directional Git sync.

That means you don't have to choose between:

"Everything is code, so our writers hate it." and

"It's a beautiful wiki, but engineers don't want to maintain it." It also has first-class OpenAPI/AsyncAPI, interactive API references, search, and increasingly useful AI/LLM-oriented output.

When I'd pick something else

• GitBook — If the authoring experience for non-engineers is your #1 requirement. Its visual editor is arguably the strongest, while still offering Git synchronization.
• Docusaurus — If you want open source, self-hosting, and total control, and you're comfortable owning the build/search/deployment stack.
• Fern — If your documentation is primarily API reference + generated SDKs, rather than general engineering knowledge.
• MkDocs — If you want something extremely straightforward: Markdown → static site, with very little platform complexity.

For internal technical documentation

I'd lean Mintlify or GitBook, rather than pure Docusaurus.

The key question is who will actually write the docs. If it's 80% engineers, Mintlify is my recommendation. If it's a mix of engineers, technical writers, PMs, support, and other people who don't live in Git, GitBook becomes very compelling.

My ranking for your stated requirements:

1. 🥇 Mintlify — best overall docs-as-code experience
2. 🥈 GitBook — best collaborative authoring experience
3. 🥉 Docusaurus — best control/ownership
4. Fern — best API-centric workflow
5. MkDocs — best simplicity

If you tell me roughly team size, GitHub/GitLab, public vs. private docs, and whether non-engineers need to edit, I can narrow this to a very specific recommendation.

1. 🥇 Mintlify — best overall docs-as-code experience
2. 🥈 GitBook — best collaborative authoring experience
3. 🥉 Docusaurus — best control/ownership
4. Fern — best API-centric workflow
5. MkDocs — best simplicity

If you tell me roughly team size, GitHub/GitLab, public vs. private docs, and whether non-engineers need to edit, I can narrow this to a very specific recommendation.

"It's a beautiful wiki, but engineers don't want to maintain it." It also has first-class OpenAPI/AsyncAPI, interactive API references, search, and increasingly useful AI/LLM-oriented output.

When I'd pick something else

When managing internal technical documentation as code, the "best" platform depends entirely on how much your non-engineering contributors (product managers, security, operations) need to write vs. how deeply your engineers want to live in Markdown/MDX.

The top-tier platforms that excel specifically in authoring experience and developer workflow are broken down below:

1. Mintlify — Best for Pure-Play Engineering Teams

If your team wants a gorgeous, modern, AI-indexed documentation site that maps directly from a GitHub or GitLab repository without fuss, Mintlify is a favorite.

• Authoring Experience: Uses MDX/Markdown with custom components. It provides a real-time local preview CLI and tight Git-native workflows.
• Why it shines: It automatically formats API references and code snippets, and its out-of-the-box UI looks like a polished Silicon Valley product from day one.
• The Catch: Pricing and AI credit allocations are usage-based, and it assumes everyone editing the docs is comfortable making pull requests or using a text editor.

2. GitBook — Best Hybrid for Mixed Technical & Non-Technical Teams

If you need a true docs-as-code backend (bidirectional Git sync) but want to let product or design folks write via a clean visual WYSIWYG editor, GitBook bridges that gap.

• Authoring Experience: Dual-mode. An engineer can edit raw Markdown in their IDE and push to Git, while a PM can use GitBook’s web interface to edit the exact same content visually.
• Why it shines: Excellent search, robust access controls for internal-only data, and great AI integration (including Model Context Protocol/MCP integrations).
• The Catch: Git-syncing on lower tiers can occasionally feel rigid with merge conflicts if both a visual user and a git user edit the same page simultaneously.

3. Docusaurus — Best for Maximum Control & Zero Licensing Cost

Maintained by Meta, Docusaurus is the open-source static site generator standard for React-friendly engineering teams.

• Authoring Experience: Markdown/MDX files stored directly in your code repository, deployed via CI/CD pipelines to static hosting (GitHub Pages, Vercel, S3).
• Why it shines: Infinitely customizable if you know React, completely free, no external SaaS subscription locking up your internal docs, and supports massive versioned documentation trees effortlessly.
• The Catch: You own the infrastructure and the build pipeline; if a search plugin breaks or a theme update deprecates a feature, your engineers fix it.

4. Material for MkDocs — Best Lightweight/Python-Centric Choice

If your stack leans Python or lightweight automation, Material for MkDocs is remarkably fast and clean.

• Authoring Experience: Pure Markdown configured via a single mkdocs.yml file. Instant local hot-reloading via a local dev server.
• Why it shines: Incredibly fast, highly readable default layout, and trivial to drop straight into existing infrastructure.

Quick Recommendation

• Choose Mintlify if your internal documentation is written exclusively by engineers who want zero UI distractions and automated API-heavy rendering.
• Choose GitBook if non-engineers (support, product, operations) need to contribute without learning Git/Markdown.
• Choose Docusaurus if you want a free, robust, infinitely tweakable open-source engine that lives entirely under your version-control rules.

To help narrow this down, tell me:

• Do you have non-developers who need to write documentation?
• Is your team already standardized on a specific stack (like React/Node or Python)?
• Does the documentation need to include interactive API playgrounds?

For internal technical documentation managed as code, the “best” platform depends mostly on who writes the docs and how strict you want the Git workflow to be. If you prioritize authoring experience, the shortlist is different from the shortlist for pure open-source docs generators.

My recommendation by scenario

1. Best overall authoring experience: gitbook.com

Best for: Engineering orgs where developers, architects, support, and product teams all contribute.

Why it stands out:

• Excellent browser-based writing experience (closer to Notion/Confluence than raw Markdown).
• Git sync keeps content tied to repositories and pull-request workflows.
• Good search, navigation, versioning, permissions, and collaboration features.
• Lets non-developers contribute without learning a local Markdown workflow.

Trade-off:

• You are adopting a hosted platform rather than owning the entire docs stack.
• Advanced customization is more limited than building your own site.

Pick GitBook if: “We want docs-as-code, but we don’t want writing docs to feel like coding.”

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2. Best engineer-first docs-as-code: docusaurus.io

Best for: Engineering teams that want everything in Git and complete control.

Strengths:

• Markdown/MDX files live beside code.
• Pull requests become the review workflow.
• Highly customizable UI.
• Strong fit for versioned product documentation and internal developer portals.

Trade-off:

• Authors need to work in Git, editors, branches, and Markdown.
• Customization usually requires React knowledge.

Pick Docusaurus if: “Docs should behave exactly like software.”

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3. Best simple Markdown workflow: mkdocs.org + squidfunk.github.io

Best for: Internal engineering wikis and teams that want minimal complexity.

Strengths:

• Very fast setup.
• Great Markdown authoring.
• Beautiful output with Material theme.
• Easy CI/CD publishing.

Trade-off:

• Less flexible for highly customized portals.
• Collaboration experience is mostly Git-based rather than editor-based.

Pick MkDocs if: “We want a clean technical wiki from Markdown with almost no platform overhead.”

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4. Best polished developer docs: mintlify.com

Best for: Developer-facing docs, especially APIs.

Strengths:

• Very polished reading experience.
• Developer-oriented authoring workflow.
• Good API documentation support.

Trade-off:

• Less of a general internal knowledge base.
• More opinionated about presentation.

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A practical stack I’d choose

For a typical internal engineering organization:

Content

• Markdown/MDX in Git repositories

Workflow

• Pull requests for review
• CI checks: - broken links
• Markdown linting
• spelling/prose checks
• code example validation

Platform choice

• Many contributors → GitBook
• Engineering-only authors → Docusaurus
• Lightweight internal docs → MkDocs Material
• API-heavy developer portal → Mintlify

My default recommendation for a medium-to-large engineering org would be:

1. GitBook if adoption and writing experience matter most.
2. Docusaurus if engineering ownership and customization matter most.
3. MkDocs Material if you want the simplest reliable stack.

The biggest factor is usually not the renderer—it is whether your engineers will actually update the docs after the initial rollout. A slightly less “pure” docs-as-code system with a much better authoring experience often wins because contribution rates stay higher.

When evaluating a docs-as-code platform with a strong focus on the authoring experience, the choice generally comes down to whether your team wants a zero-ops, modern hosted platform or a fully customized, open-source static site generator.

The leading platforms categorized by their authoring experience and ecosystem maturity break down as follows:

1. Mintlify (Best for Modern, Zero-Ops Authoring & AI Readiness)

• The Vibe: Sleek, incredibly fast setup, and built for modern product/engineering teams.
• Authoring Experience: Content is authored in MDX (Markdown with JSX components) or standard Markdown, living right inside your Git repository. Navigation and metadata are handled cleanly via a central configuration file (docs.json).
• Why it stands out: It abstracts away the build pipeline, search indexing, and hosting. Out of the box, you get built-in AI chat, interactive API playgrounds, clean analytics, and feedback widgets without having to wire together disparate plugins.
• Best for: Teams that want a gorgeous, highly polished developer portal up and running in hours without maintaining the underlying infrastructure.

2. Docusaurus (Best Open-Source & Deeply Customizable Standard)

• The Vibe: The gold standard of open-source documentation frameworks, maintained by Meta.
• Authoring Experience: Markdown/MDX-based workflow stored in Git. It has a mature ecosystem supporting versioning (snapshots of documentation trees per release), internationalization (i18n), and local previews.
• Why it stands out: You have absolute control over the frontend and component architecture via React. However, adding features like AI search, robust analytics, or authentication requires integrating third-party plugins or building custom gateways.
• Best for: Teams with a $0 platform budget that have front-end capacity to customize the layout and want total ownership of the build/hosting stack.

3. MkDocs with the Material Theme (Best for Python-Centric & Minimalist Markdown)

• The Vibe: Fast, lightweight, and beloved by engineering teams who hate bloat.
• Authoring Experience: Pure, clean Markdown driven by a single mkdocs.yml configuration file. The mkdocs-material theme turns basic Markdown into a gorgeous, highly functional, responsive site with instant client-side search.
• Why it stands out: Extremely low barrier to entry for anyone who knows basic Markdown. It gets out of your way and lets you write. (Note: Major updates in the MkDocs ecosystem mean verifying your specific plugins and deployment actions for modern pipelines is recommended.)
• Best for: Internal engineering wikis, runbooks, and technical specs where you want minimum fuss and maximum readability.

Summary Recommendation

• Choose Mintlify if you want an exceptional, frictionless authoring workflow paired with modern out-of-the-box features (like AI search and API tools) and don't mind a commercial subscription.
• Choose Docusaurus if you want a free, open-source, React-extensible tool where you control every line of the deployment pipeline.

To help narrow this down, let me know:

• Do you need public-facing documentation/API references or strictly internal company runbooks?
• Is your team comfortable managing custom CI/CD build pipelines and hosting , or do you prefer a hosted managed service?

For internal technical documentation managed as code, I’d generally recommend choosing based on who writes the docs and how much engineering customization you need. The “best” platform differs quite a bit between a developer-only team and a mixed engineering/product/support organization. Docs-as-code usually means Markdown (or similar) stored in Git, reviewed through pull requests, and published via CI.

My shortlist:

스쿨오브웹 Docsio## My default recommendation

For most internal engineering documentation:

🥇 MkDocs + Material

I would start here if your audience is mostly engineers.

Why:

• Authors write normal Markdown.
• Docs live beside code in Git.
• Pull requests provide review history.
• Local preview is fast.
• Navigation, search, code blocks, diagrams, admonitions, and API-style content work well out of the box.
• Writers spend more time writing and less time maintaining a frontend.

A typical stack:

Git repository
   |
Markdown docs
   |
CI build
   |
Static documentation site
   |
Internal hosting

When I would choose something else

Choose Docusaurus if:

• You have many product versions.
• You need sophisticated navigation/version switching.
• You want interactive React components embedded in docs.
• Your frontend team will own the docs platform.

Docusaurus has a higher customization ceiling because it is React/MDX based, and it is strong for large product documentation sites.

Choose GitBook if:

• Engineers are not the only authors.
• Product managers, support, security, or operations teams need to edit frequently.
• A browser-based editing experience matters more than “everything is a PR.”

It is often the best compromise between docs-as-code discipline and wiki-like usability.

Choose Mintlify if:

• Your documentation is primarily developer-facing.
• You want a polished hosted experience quickly.
• API documentation is a major focus.

For an internal engineering organization, my ranking would be:

1. MkDocs + Material — best balance of authoring experience, maintainability, and engineering workflow.
2. GitBook — best if non-engineers contribute heavily.
3. Docusaurus — best if docs are becoming a product surface.
4. Mintlify — best for API/developer portal style docs.
5. Starlight — excellent modern option if your team already uses Astro.

A mature internal docs stack usually also adds:

• Markdown linting
• broken-link checks
• spell/style checks (for example Vale)
• automated API/reference generation
• ownership metadata
• CI checks that fail when docs drift from code

If you tell me (1) number of authors, (2) whether non-engineers edit docs, (3) GitHub/GitLab/Azure DevOps, and (4) whether docs are internal-only or customer-facing, I can narrow this to a specific recommendation.

When looking for a docs-as-code platform that prioritizes a stellar authoring experience—meaning it keeps engineers in their natural Git/Markdown workflows while still offering modern polish, live previews, and great rendering—the ecosystem generally splits into Git-backed hybrid platforms and pure static site generators (SSGs).

The top options on the market depend on how much configuration overhead your team wants to manage:

1. The Best Balance of Authoring Experience & Polish: GitBook

• How it works: GitBook bridges the gap by offering a gorgeous, real-time WYSIWYG browser editor alongside a robust two-way GitHub/GitLab sync.
• The Authoring Experience: Engineers can write and commit standard Markdown/OpenAPI directly via their IDE and Git workflows, while product managers, designers, or tech writers can drop into the web UI to edit seamlessly. Changes sync smoothly both ways.
• Standout features: Excellent search, clean component blocks (hints, tabs, code groups), enterprise access controls, and modern AI-readiness features.
• Best for: Teams where not 100% of the contributors live in a terminal or IDE, but you still require a strict Git source of truth.

2. The Best Pure Open-Source / Developer-First Choice: Docusaurus (by Meta)

• How it works: A React-based static site generator built specifically for documentation. Your docs live as Markdown/MDX files inside a Git repository and deploy via CI/CD (to GitHub Pages, Vercel, Netlify, etc.).
• The Authoring Experience: Unmatched for developers who love writing in VS Code or Cursor. MDX allows you to embed interactive React components directly inside your Markdown files. Local development features hot-reloading so you can see changes instantly.
• Standout features: Blazing fast, incredible localization/i18n support out of the box, built-in versioning (crucial for software releases), and massive community plugin ecosystem.
• Best for: Engineering-heavy teams that want zero platform lock-in, full ownership over styling, and the power of MDX.

3. The Best Lightweight & Fast Setup: MkDocs with MkDocs-Material

• How it works: A Python-based static site generator that transforms simple Markdown files into a stunning documentation site using a single YAML configuration file.
• The Authoring Experience: Incredibly lightweight. The mkdocs-material theme is widely considered one of the cleanest, most feature-rich documentation designs available, supporting dark mode, instant search, code copy buttons, and keyboard shortcuts out of the box.
• Standout features: Minimalist footprint, extremely fast to spin up, and low maintenance compared to heavy JS frameworks.
• Best for: Smaller engineering teams or open-source projects that want a professional-grade site up in 10 minutes with minimal configuration.

4. The Rising Modern Standard for AI & Devs:

• How it works: A modern, component-driven documentation platform with native Git integration.
• The Authoring Experience: Focuses heavily on streamlined MDX/Markdown authoring with pre-built UI components.
• Standout features: Built natively for the modern AI era—automatically generating llms.txt files and hosting Model Context Protocol (MCP) servers so that AI coding assistants (like Cursor or Claude Code) can read your internal documentation contextually while your engineers code.
• Best for: Forward-thinking technical teams who want an out-of-the-box gorgeous UI that is simultaneously optimized for both human readers and AI agents.

Summary Recommendation

• Choose GitBook if you need a collaborative visual editor that non-engineers can use without touching Git, while keeping a 2-way sync with your repository.
• Choose Docusaurus if your authors are entirely technical and want the ultimate flexibility of MDX and React components.
• Choose MkDocs-Material if you want the absolute lowest friction and cleanest minimalist setup using pure Python/Markdown.

To help narrow this down, tell me:

• Do non-developers (product, support, leadership) need to write or edit documentation directly?
• Are you looking for a hosted SaaS solution or a self-hosted/open-source tool?

When choosing a docs-as-code platform with an exceptional authoring experience, the "best" choice depends on whether your non-engineering contributors (like product managers or technical writers) need a visual editor, or if your team lives entirely in Markdown/MDX inside an IDE like VS Code.

The top platforms are categorized below by their authoring strengths:

• Mintlify — Best for modern, developer-first MDX/Markdown documentation. It offers gorgeous aesthetics out of the box, intuitive file-based routing, real-time preview, and tight GitHub integration. If your engineers want to write docs just like they write code components, Mintlify provides arguably the slickest visual polish and native AI writing assistance.
• GitBook — Best for cross-functional hybrid workflows. If you want a pure docs-as-code backend (bidirectional sync with GitHub or GitLab) but need an approachable WYSIWYG or Notion-style editor for non-technical teammates, GitBook bridges that gap gracefully.
• Docusaurus — Best for open-source or fully customized engineering control. Built by Meta, this React-based static site generator gives you zero vendor lock-in, robust localization support, versioning, and massive extensibility. Authoring is plain Markdown/MDX, but it requires more initial setup and maintenance.
• Material for MkDocs — Best for Python-heavy or ultra-lightweight setups. If your team prefers a fast, no-nonsense pipeline using pure Markdown files backed by an exceptionally responsive and feature-rich UI theme, this is the gold standard.

To help narrow down the ideal fit for your team, tell me:

• Do you need non-developers (PMs, support, marketing) to write and edit docs, or is it strictly engineering-driven?
• Do you prefer a managed SaaS platform (like Mintlify or GitBook) or a self-hosted static site generator (like Docusaurus or MkDocs)?

If your priority is internal technical documentation + docs-as-code + excellent authoring, my default recommendation in 2026 is mintlify.com.

My shortlist

🥇 Mintlify — best overall

Mintlify hits a particularly nice balance: documentation lives as MDX in Git, so changes can go through normal branches/PRs, while the resulting site has a polished, modern authoring and reading experience. It also provides a CLI for local development, previewing, and deployment.

The important bit for your use case is that it isn't just a static-site generator. It provides a web editor as well as the code workflow, so technical writers or subject-matter experts don't necessarily have to live in VS Code.

It also has increasingly strong AI-oriented documentation tooling, including agents that can create/update docs through pull requests rather than directly modifying your main branch.

I'd choose Mintlify if:

• Engineers are the primary authors.
• You want Markdown/MDX + Git + PR review.
• You want a polished site without building the frontend yourself.
• You have API/reference documentation.
• You want AI-assisted maintenance eventually.

🥈 GitBook — choose this if authoring experience matters more than being purely code-first

gitbook.com is arguably the better choice if your documentation has lots of contributors who don't want to edit Markdown in Git.

Its Git Sync is bidirectional: developers can edit in GitHub/GitLab while writers and PMs can use GitBook's visual editor, with changes synchronized between them.

That's a really compelling model for internal docs, where the author population tends to be broader than just engineers.

I'd pick GitBook over Mintlify if you expect:

engineers + architects + product managers + support + technical writers all contributing regularly.

🛠️ Docusaurus — best if "as code" is non-negotiable

docusaurus.io is the option I'd choose when you want complete ownership of the stack. Your docs are essentially a software project: Markdown/MDX, Git, CI/CD, React, versioning, plugins, and whatever hosting you prefer.

The tradeoff is that you become the platform team. Search, authentication, analytics, deployment, upgrades, styling, etc. become your responsibility.

What I'd actually recommend

For an internal engineering organization, I'd narrow it to:

Mintlify → if you want "Git-native docs, but someone else operates the documentation platform."

GitBook → if you want "Git-native docs plus the best experience for non-engineers to author them."

Docusaurus/MkDocs → if you want "our documentation is literally another software repository and we'll own everything."

One subtle distinction is important: GitBook and Mintlify have converged considerably. Both now support Git-based workflows, but GitBook puts more emphasis on its visual collaborative editor, whereas Mintlify is more naturally centered around the developer/code workflow.

For your wording — "manage our internal technical documentation as code" — I'd start with Mintlify. If the people who actually write the docs complain about Markdown/PRs, move toward GitBook rather than building your own authoring layer.

When it comes to a docs-as-code workflow (storing documentation in Git, writing in Markdown/MDX, and using CI/CD pipelines to publish), the "best" platform depends heavily on what you mean by authoring experience . Do your writers want a slick, modern web UI with Git sync, or are they happiest inside VS Code committing raw Markdown?

The top options on the market balance a stellar authoring experience with robust engineering pipelines:

• Mintlify : Best for a modern, high-polish authoring and reading experience. It uses MDX, has incredible built-in components (like interactive API playgrounds), offers real-time previews, and bridges the gap between raw code and a gorgeous modern UI without heavy configuration.
• Docusaurus (Meta) : Best for flexibility, large open-source/internal projects, and teams that want a robust React-based ecosystem. The authoring experience is standard Markdown/MDX, but it excels at versioning, localization, and custom component injection.
• GitBook : Best if you want a hybrid approach. It provides a gorgeous Notion-like visual WYSIWYG editor for non-technical contributors while maintaining a bidirectional GitHub/Git sync under the hood. It removes the friction of raw Markdown for product managers or designers while keeping engineers happy in Git.
• MkDocs (with Material theme) : Best for lightweight, ultra-fast, pure-Markdown setups. If your team just wants to write in standard Markdown and have a lightning-fast Python-backed static site generator that stays completely out of your way, this is the classic developer favorite.
• Read the Docs : Best for managed hosting, enterprise-grade versioning, and automated pull-request previews built on top of Sphinx or MkDocs, meaning authors don't have to build or maintain the publishing infrastructure themselves.

To help narrow down the ideal choice, tell me:

• Who are the primary authors (just software engineers, or also PMs, support, and technical writers)?
• Do you need heavy API reference generation (OpenAPI/Swagger)?
• Are you looking for a pure Git/Markdown workflow or a hybrid visual editor?

If your goal is “documentation lives like code, but writing it shouldn't feel like programming,” I’d shortlist GitBook, Mintlify, and Docusaurus—with GitBook as my default recommendation for an internal technical-docs team in 2026.

My ranking

1. GitBook — best overall

This is the one I'd evaluate first.

GitBook has a particularly nice answer to the tension between docs-as-code and good authoring: the same content can be edited as Markdown in GitHub/GitLab or in a polished visual editor. Its Git Sync is bidirectional, so engineers can work in their IDE/PR workflow while technical writers, PMs, and other contributors can use the browser editor.

That makes it unusually good for internal technical documentation, where you often have:

• engineers writing architecture/API docs
• technical writers improving explanations
• PMs adding product context
• support/operations people contributing operational knowledge
• reviewers wanting normal Git-based review

It also gives you managed hosting rather than making your team maintain a documentation build/deployment stack.

The tradeoff: you're buying into a hosted platform rather than owning a completely open-source documentation stack.

2. Mintlify — best if engineers are the authors

I'd pick Mintlify over GitBook if almost everyone writing docs is an engineer and you care heavily about a beautiful developer-docs experience.

It is very code-centric: Git/Markdown/MDX workflows, excellent presentation, and strong API documentation capabilities. Recent comparisons consistently position it as one of the strongest developer-first hosted options.

The tradeoff: its authoring model is less friendly to non-developers than GitBook's. That's a meaningful distinction for an internal knowledge system.

3. Docusaurus — best if you want to own everything

Docusaurus is the engineering-heavy choice. Your Markdown/MDX files live in Git, you control the build and hosting, and you get React/MDX extensibility, versioning, search, and internationalization.

It's excellent if your requirements are:

Git repo → PR → CI → static site and you have engineers willing to own the infrastructure.

The downside is authoring UX. You're essentially building a documentation product out of a framework. That's powerful, but it means more configuration and less of the polished “just write docs” experience you're asking for.

What I'd choose

For an internal technical documentation system, I'd use:

GitBook if you want the best overall authoring experience. Mintlify if it's primarily engineers writing developer/API docs. Docusaurus if owning the entire stack and avoiding platform dependency matters most.

The key architectural decision I'd make is Git as the canonical source of content, regardless of which platform you choose. That gives you PR review, history, branching, automation, and the ability to move platforms later.

The particularly compelling thing about GitBook is that you don't have to sacrifice the authoring experience to get that Git workflow: its current bidirectional sync lets Git remain part of the workflow while giving non-engineers a genuinely visual editor.

If you tell me your team size, whether docs are internal-only or also customer-facing, and whether you're on GitHub or GitLab, I can narrow this down to a specific recommendation and architecture.