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Technology answer

SWC

42,462

companies run it, 0.08% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 95,726 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

42,462 at Sept 26; 55,120 twelve months earlier, -12,658, -23.0% 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
2021-0100
2021-0200
2021-0300
2021-0400
2021-0500
2021-0600
2021-0700
2021-0800
2021-0900
2021-1000
2021-1100
2021-1200
2022-0100
2022-0200
2022-0300
2022-0400
2022-0500
2022-0600
2022-0700
2022-0800
2022-0900
2022-1000
2022-1100
2022-1200
2023-0100
2023-0200
2023-0300
2023-042,978810
2023-054,9341,341
2023-066,8891,873
2023-078,8442,404
2023-0810,8002,936
2023-0912,7553,468
2023-1014,7103,999
2023-1116,6664,531
2023-1218,6215,063
2024-0120,5775,594
2024-0222,5356,127
2024-0326,2757,143
2024-0429,6738,067
2024-0530,0938,181
2024-0631,5518,578
2024-0733,0078,974
2024-0834,5559,395
2024-0936,6319,959
2024-1039,91110,851
2024-1142,71411,613
2024-1245,24412,301
2025-0148,05913,066
2025-0250,48813,726
2025-0352,91514,386
2025-0453,66814,591
2025-0554,08714,705
2025-0654,61614,849
2025-0755,03914,964
2025-0855,41315,065
2025-0955,12014,986
2025-1054,29814,762
2025-1152,27114,211
2025-1250,72013,789
2026-0149,45213,445
2026-0248,06313,067
2026-0347,10812,807
2026-0446,28412,583
2026-0545,18112,284
2026-0644,73812,163
2026-0744,03611,972
2026-0843,30611,774
2026-0942,46211,544

Both denominators, and a third

Shares of the same 42,462each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.08%
companies running anything in Build and Developer Tools
4,301,113
0.99%
companies running anything in Frontend bundlers and transpilers
3,431,018
1.2%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, SWC is rank 7 of 12 technologies in Frontend bundlers and transpilers.

Open as a segment

42,462 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-swc

Open the segment

Catalogue record

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

Open-source Rust-based JavaScript/TypeScript compiler and bundling tool.

SWC is an open-source compiler and tooling stack for transforming, bundling, and minifying JavaScript and TypeScript, built in Rust. It is used by web developers to speed up build pipelines and code transformations.

Kindlibrary
VendorSWC Project, swc.rs
Slugswc
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2023-10-05
Last discovered2026-09-10
Taxonomy releasetax-2026.10