Technology answer

Open-Props

85

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

Hosts: 305 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

85 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 23 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 8 Mar 2025, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 85each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in UI Frameworks and Components

20,892,480

<0.01%

companies running anything in Utility-first CSS frameworks

1,803

4.7%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Open-Props is rank 3 of 3 technologies in Utility-first CSS frameworks.

Open as a segment

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

/companies/tech-open-props

Open the segment

Catalogue record

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

Open-Props is an open-source collection of CSS custom properties for design tokens and utilities.

Open-Props provides prebuilt CSS variables for colors, spacing, typography, and animations that developers can use across projects. It is an open-source utility library for frontend styling.

Kindlibrary

VendorOpen Props, open-props.style

PathWeb Engineering > UI Frameworks and Components > Utility-first CSS frameworks

Slugopen-props

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2025-03-08

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerUtility-first CSS frameworksCompanies running anything in Utility-first CSS frameworks, 1,803 of 54,527,857 in the index, and the technologies ranked in it.Category answerUI Frameworks and ComponentsThe 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.