Technology answer

Upptime

companies run it of 54,527,857 in the index, too few to publish a share. Landing 12 Sept 2026.

Hosts: 17 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

2 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 2 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 16 Apr 2025, last discovered 9 Sept 2026.

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 9 Sept 2026

GitHub‑based, open‑source uptime monitoring and status pages.

Upptime uses GitHub Actions and Issues to check site availability and publish a status site. Teams run it in their own GitHub repositories for incident logging and reports.

Kindproduct

VendorUpptime (open‑source)

PathInfrastructure and Hosting > Observability > Synthetic and uptime monitoring

Slugupptime

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2025-04-16

Last discovered2026-09-09

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerSynthetic and uptime monitoringCompanies running anything in Synthetic and uptime monitoring, 16,616 of 54,527,857 in the index, and the technologies ranked in it.Category answerObservabilityThe 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.