Technology answer

CometD

companies run it. The catalogue holds the record and the crawl has not matched it to a company. Landing 12 Sept 2026.

Hosts: 1 live hosts run it, of 191,809,695 hosts in the index. A host is a website, not a company.

Companies by month

No published series

No company in the index runs it, so there is no count to follow from month to month. The publication floor is 1,000 companies, and the fixed panel anchored at 31 Dec 2020 carries none of them, so this page states the count and its date and publishes no series.

First discovered 4 Aug 2026, last discovered 4 Aug 2026.

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 4 Aug 2026

An open-source Bayeux protocol implementation for real‑time web messaging.

CometD provides Java and JavaScript libraries and server components for publish/subscribe messaging over the Bayeux protocol. It is an open-source project used by developers to add real‑time features to applications.

Kindlibrary

VendorCometD Project, cometd.org

PathWeb Engineering > JavaScript Libraries > Real-time communication libraries

Slugcometd

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2026-08-04

Last discovered2026-08-04

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerReal-time communication librariesCompanies running anything in Real-time communication libraries, 89,802 of 54,527,857 in the index, and the technologies ranked in it.Category answerJavaScript LibrariesThe 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.