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Technology answer

GitBook

4,589

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

Hosts: 18,270 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

Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026

4,589 at Sept 26; 4,165 twelve months earlier, +424, +10.2% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020

The 69 numbers in this chart
MonthCompaniesObserved on the panel
2021-01withheld0
2021-02withheld0
2021-03withheld0
2021-04withheld0
2021-05withheld0
2021-06withheld0
2021-07withheld0
2021-08withheld0
2021-09withheld0
2021-10withheld0
2021-11withheld0
2021-12withheld0
2022-01withheld0
2022-02withheld0
2022-03withheld0
2022-04withheld0
2022-05withheld0
2022-06withheld0
2022-07withheld0
2022-08withheld0
2022-09withheld0
2022-10withheld0
2022-11withheld0
2022-12withheld0
2023-01withheld0
2023-02withheld0
2023-03withheld0
2023-04withheld0
2023-05withheld0
2023-06withheld0
2023-07withheld0
2023-08165
2023-09176
2023-10176
2023-11186
2023-12196
2024-01196
2024-02206
2024-03217
2024-04237
2024-05237
2024-06237
2024-07248
2024-08248
2024-093010
2024-10312101
2024-11665216
2024-121,013329
2025-011,364442
2025-021,714556
2025-032,064669
2025-042,414783
2025-052,764896
2025-063,1141,010
2025-073,4641,124
2025-083,8151,237
2025-094,1651,351
2025-104,5101,463
2025-114,5781,485
2025-124,5761,484
2026-014,5781,485
2026-024,5811,486
2026-034,5841,487
2026-044,5851,487
2026-054,5851,487
2026-064,5861,487
2026-074,5871,488
2026-084,5881,488
2026-094,5891,488

Both denominators, and a third

Shares of the same 4,589each 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
2.4%
companies running anything in Documentation site generators
28,457
16.1%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, GitBook is rank 2 of 25 technologies in Documentation site generators.

Open as a segment

4,589 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-gitbook

Open the segment

Catalogue record

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

Hosted documentation platform for creating and publishing docs and knowledge bases.

GitBook is a hosted platform to write, version and publish documentation and knowledge bases. It is made by GitBook and used by product and engineering teams to share docs publicly or internally.

Kindproduct
VendorGitBook, gitbook.com
Sluggitbook
Deploymentsaas
Pricingfreemium, subscription
Open sourceno
First discovered2020-03-30
Last discovered2026-09-10
Taxonomy releasetax-2026.10