Stack Lookup
Get a free key

Technology answer

FullCalendar

109,090

companies run it, 0.20% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 190,807 live hosts run it, of 191,809,695 hosts in the index, 0.10%. 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

109,090 at Sept 26; 124,687 twelve months earlier, -15,597, -12.5% 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
2021-0100
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
2023-045,0281,253
2023-058,7092,170
2023-0612,3903,087
2023-0716,0704,004
2023-0819,7514,921
2023-0923,4325,838
2023-1027,1126,755
2023-1130,7937,672
2023-1234,4748,589
2024-0138,1559,507
2024-0241,83710,424
2024-0348,44112,069
2024-0454,66313,620
2024-0555,85713,917
2024-0658,41014,553
2024-0760,96315,189
2024-0863,68415,867
2024-0967,62716,850
2024-1073,61418,342
2024-1179,73819,867
2024-1285,67821,347
2025-0192,24422,983
2025-0298,40624,519
2025-03104,56726,054
2025-04108,03326,917
2025-05111,56427,797
2025-06115,40728,755
2025-07119,17729,694
2025-08122,92030,627
2025-09124,68731,067
2025-10125,22531,201
2025-11123,71830,825
2025-12122,07430,416
2026-01120,64330,059
2026-02119,25429,713
2026-03118,45229,513
2026-04117,66129,316
2026-05116,45629,016
2026-06115,42228,758
2026-07113,70828,331
2026-08111,66527,822
2026-09109,09027,181

Both denominators, and a third

Shares of the same 109,090each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.20%
companies running anything in UI Frameworks and Components
20,892,480
0.52%
companies running anything in UI component libraries
9,486,096
1.1%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, FullCalendar is rank 3 of 44 technologies in UI component libraries.

Open as a segment

109,090 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-fullcalendar

Open the segment

Catalogue record

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

Open-source JavaScript calendar and scheduler component library.

FullCalendar is a JavaScript UI component for rendering interactive calendars, events, and scheduling views. Developers embed it in web apps and can use it under an open-source or commercial license.

Kindlibrary
VendorFullCalendar, fullcalendar.io
Slugfullcalendar
Deploymentself-hosted
Pricingfreemium, one time
Open sourceyes
First discovered2023-10-05
Last discovered2026-09-10
Taxonomy releasetax-2026.10