Stack Lookup
Get a free key

Technology answer

MobX

669,370

companies run it, 1.2% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 1,114,902 live hosts run it, of 191,809,695 hosts in the index, 0.58%. 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

669,370 at Sept 26; 1,124,514 twelve months earlier, -455,144, -40.5% 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
2021-0128,7861,962
2021-0228,7891,962
2021-0328,7911,962
2021-0428,7931,962
2021-0528,7941,962
2021-0628,7961,962
2021-0728,7981,962
2021-0828,8371,965
2021-0928,8661,967
2021-1028,8931,969
2021-1128,9241,971
2021-1228,9581,973
2022-0128,9901,975
2022-0229,0221,978
2022-0329,0541,980
2022-0429,0851,982
2022-0529,1171,984
2022-0629,1511,986
2022-0729,1821,989
2022-0829,2141,991
2022-0929,2251,991
2022-1029,2431,993
2022-1129,2611,994
2022-1229,2761,995
2023-0129,2881,996
2023-0229,3021,997
2023-0329,3181,998
2023-0492,6686,315
2023-05142,1269,685
2023-06191,58413,055
2023-07241,03916,425
2023-08290,49619,795
2023-09339,95223,165
2023-10389,39526,534
2023-11438,84129,904
2023-12488,28633,273
2024-01537,73136,642
2024-02587,18140,012
2024-03665,98945,382
2024-04740,80650,480
2024-05752,28851,262
2024-06777,91453,009
2024-07803,49754,752
2024-08829,90856,552
2024-09871,60359,393
2024-10924,69863,011
2024-11978,35066,667
2024-121,029,59670,159
2025-011,091,99074,411
2025-021,142,84277,876
2025-031,193,68981,340
2025-041,219,50283,099
2025-051,204,66082,088
2025-061,191,76381,209
2025-071,172,98579,930
2025-081,153,13978,577
2025-091,124,51476,627
2025-101,080,57573,633
2025-111,025,23669,862
2025-12969,34066,053
2026-01916,09762,425
2026-02857,55258,435
2026-03812,28755,351
2026-04768,87452,393
2026-05712,45548,548
2026-06702,79247,890
2026-07688,17146,893
2026-08679,04246,271
2026-09669,37045,612

Both denominators, and a third

Shares of the same 669,370each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
1.2%
companies running anything in JavaScript Libraries
40,118,208
1.7%
companies running anything in General JavaScript utilities
18,294,596
3.7%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, MobX is rank 9 of 87 technologies in General JavaScript utilities.

Open as a segment

669,370 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-mobx

Open the segment

Catalogue record

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

An open-source JavaScript state management library for managing observable application state.

MobX enables reactive state management in JavaScript and TypeScript applications using observables and reactions. It is maintained by the open-source community and used by frontend developers to structure app state.

Kindlibrary
VendorMobX Project, mobx.js.org
Slugmobx
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2019-10-24
Last discovered2026-09-10
Taxonomy releasetax-2026.10