Read the Docsvs
MkDocs


MkDocs: One of the generators it hosts; self-hosting removes the build platform but also its versioning

Documentation hosting with versioning built for open source
As of 29 August 2026, Read the Docs is free to use. Free documentation hosting for open source. Softwr lists it under Documentation. Read the Docs is available on Web.
Overview
Read the Docs builds and hosts documentation, most commonly from Sphinx or MkDocs sources. It watches a repository, rebuilds on every commit, and serves versioned documentation keyed to branches and tags — so a project’s v2 and v3 docs coexist with no manual work. It hosts open-source projects free, which is why an enormous share of Python documentation lives there. The versioning and pull request previews are the parts teams miss when they self-host.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Read the Docs.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


MkDocs: One of the generators it hosts; self-hosting removes the build platform but also its versioning


GitBook: Hosted with a visual editor, for teams where non-engineers write the docs
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
Capabilities
Build on commit
Documentation rebuilt automatically from the repository
Version by branch and tag
Multiple documentation versions served side by side
Pull request previews
Documentation changes reviewable before merge
Free for open source
No cost for public projects
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
Free for open-source public projects. Private documentation requires a paid business plan.
Most commonly Sphinx or MkDocs sources kept in your repository.
It maps branches and tags to documentation versions, so several releases are served side by side without manual work.
Keep looking
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Softwr does not host reviews and shows no star rating for Read the Docs, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
What people switch to, and what they give up
Every tier, and where the cost actually lands
Put it head to head with anything we hold
Its rating, and an embed for your own site
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