Technology answer

Clockwork

732

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

Hosts: 1,335 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

732 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 179 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 5 Oct 2023, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 732each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Build and Developer Tools

4,301,113

0.02%

companies running anything in Debugging and profiling tools

8,218

8.9%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Clockwork is rank 2 of 2 technologies in Debugging and profiling tools.

Open as a segment

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

/companies/tech-clockwork

Open the segment

Catalogue record

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

Open-source PHP debugging and profiling tool for web applications.

Clockwork is an open-source developer tool that collects debugging and profiling data for PHP applications and surfaces it via a web UI and browser extension. It is maintained by Underground Works and used during development.

Kindlibrary

VendorUnderground Works, underground.works

PathWeb Engineering > Build and Developer Tools > Debugging and profiling tools

Slugclockwork

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2023-10-05

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerDebugging and profiling toolsCompanies running anything in Debugging and profiling tools, 8,218 of 54,527,857 in the index, and the technologies ranked in it.Category answerBuild and Developer ToolsThe 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.