Technology answer

Mastodon

326

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

Hosts: 3,852 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

326 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 98 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 5 Oct 2023, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 326each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Community and Forums

24,079

1.4%

companies running anything in Hosted community platforms

15,043

2.2%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Mastodon is rank 7 of 28 technologies in Hosted community platforms.

Open as a segment

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

/companies/tech-mastodon

Open the segment

Catalogue record

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

An open-source, federated social networking server for running communities.

Mastodon is software for operating decentralized social networking communities that federate over ActivityPub. It is developed by Mastodon gGmbH and is typically self-hosted by organizations or communities.

Kindproduct

VendorMastodon, joinmastodon.org

PathCustomer Engagement and Support > Community and Forums > Hosted community platforms

Slugmastodon

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2023-10-05

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerHosted community platformsCompanies running anything in Hosted community platforms, 15,043 of 54,527,857 in the index, and the technologies ranked in it.Category answerCommunity and ForumsThe 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.