Technology answer

mdBook

94

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 1,314 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

94 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 21 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 10 Oct 2023, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 94each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Documentation and Knowledge

188,274

0.05%

companies running anything in Documentation site generators

28,457

0.33%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, mdBook is rank 7 of 25 technologies in Documentation site generators.

Open as a segment

94 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-mdbook

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

A Rust-based tool to build book-style documentation sites from Markdown.

mdBook is an open-source generator that creates static, book-like documentation websites from Markdown files. It is maintained under the Rust project and is used by developers and technical writers to publish documentation.

Kindlibrary

VendorRust Project, rust-lang.org

PathWeb Platform and Content > Documentation and Knowledge > Documentation site generators

Slugmdbook

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2023-10-10

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerDocumentation site generatorsCompanies running anything in Documentation site generators, 28,457 of 54,527,857 in the index, and the technologies ranked in it.Category answerDocumentation and KnowledgeThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.