Technology answer

Darwin

27

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

Hosts: 141 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

27 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 11 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 24 Apr 2020, last discovered 7 Sept 2026.

Both denominators, and a third

Shares of the same 27each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Programming Languages and Runtimes

36,337,962

<0.01%

companies running anything in Server operating systems

2,736,129

<0.01%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Darwin is rank 15 of 19 technologies in Server operating systems.

Open as a segment

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

/companies/tech-darwin

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 7 Sept 2026

Apple’s open-source Unix-based core OS used in macOS and iOS.

Darwin is the open-source operating system core comprising the XNU kernel and userland that underpins macOS, iOS and related Apple platforms. Developers and system builders may reference Darwin components from Apple’s open-source releases.

Kindproduct

VendorApple, apple.com

PathWeb Engineering > Programming Languages and Runtimes > Server operating systems

Slugdarwin

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2020-04-24

Last discovered2026-09-07

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerServer operating systemsCompanies running anything in Server operating systems, 2,736,129 of 54,527,857 in the index, and the technologies ranked in it.Category answerProgramming Languages and RuntimesThe 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.