Technology answer

Vigil

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

Hosts: 21 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

10 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 26 Oct 2023, last discovered 10 Aug 2026.

Catalogue record

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

An open-source status page and service monitoring system.

Vigil is a self-hosted uptime and status page tool written in Rust that monitors services and exposes their status publicly. It is maintained by Valerian Saliou and used by developers to publish service health.

Kindproduct

VendorValerian Saliou, valeriansaliou.com

PathInfrastructure and Hosting > Observability > Synthetic and uptime monitoring

Slugvigil

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2023-10-26

Last discovered2026-08-10

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.