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Technology answer

Cowboy

30,942

companies run it, 0.06% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 93,306 live hosts run it, of 191,809,695 hosts in the index, 0.05%. 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

30,942 at Sept 26; 31,418 twelve months earlier, -476, -1.5% 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
2021-0118,9613,683
2021-0218,9613,683
2021-0318,9613,683
2021-0418,9623,683
2021-0518,9623,683
2021-0618,9623,683
2021-0718,9623,683
2021-0818,9783,686
2021-0918,9833,687
2021-1018,9893,688
2021-1118,9953,689
2021-1219,0133,693
2022-0119,0233,695
2022-0219,0323,697
2022-0319,0583,702
2022-0419,0763,705
2022-0519,0943,709
2022-0619,1153,713
2022-0719,1363,717
2022-0819,1573,721
2022-0919,1843,726
2022-1019,2113,731
2022-1119,2393,737
2022-1219,2653,742
2023-0119,2793,745
2023-0219,3033,749
2023-0319,3263,754
2023-0419,6313,813
2023-0519,6433,815
2023-0619,6553,818
2023-0719,6653,820
2023-0819,6753,821
2023-0919,6843,823
2023-1019,6723,821
2023-1119,6703,820
2023-1219,6683,820
2024-0119,6663,820
2024-0219,6633,819
2024-0319,7853,843
2024-0419,8213,850
2024-0519,5593,799
2024-0619,5993,807
2024-0719,6373,814
2024-0819,6803,822
2024-0919,9433,874
2024-1021,5574,187
2024-1122,7644,421
2024-1223,7344,610
2025-0124,7224,802
2025-0225,5974,972
2025-0326,4725,142
2025-0427,2305,289
2025-0528,0665,451
2025-0628,9155,616
2025-0729,7545,779
2025-0830,5995,943
2025-0931,4186,102
2025-1032,0186,219
2025-1131,2676,073
2025-1230,9226,006
2026-0130,8165,985
2026-0230,7425,971
2026-0330,8765,997
2026-0430,8885,999
2026-0530,8936,000
2026-0630,9106,004
2026-0730,9136,004
2026-0830,9306,008
2026-0930,9426,010

Both denominators, and a third

Shares of the same 30,942each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.06%
companies running anything in Web Servers
32,553,744
0.10%
companies running anything in Embedded HTTP server libraries
80,864
38.3%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Cowboy is rank 2 of 14 technologies in Embedded HTTP server libraries.

Open as a segment

30,942 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-cowboy

Open the segment

Catalogue record

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

Cowboy is an open-source Erlang HTTP server library.

Cowboy provides a small, fast HTTP server and WebSocket support for Erlang applications. It is maintained by Nine Nines and used by developers to embed a web server in Erlang/Elixir systems.

Kindlibrary
VendorNine Nines, ninenines.eu
PathInfrastructure and Hosting > Web Servers > Embedded HTTP server libraries
Slugcowboy
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2019-10-04
Last discovered2026-09-10
Taxonomy releasetax-2026.10