Technology answer

LISTSERV

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

Hosts: 12 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

3 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 1 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 3 Feb 2025, last discovered 28 Aug 2026.

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 28 Aug 2026

Mailing list management and email list server software by L-Soft.

LISTSERV is software for managing mailing lists and distributing bulk email newsletters, available as licensed software or hosted service. It is used by enterprises, universities, and associations to run discussion lists and announcements.

Kindproduct

VendorL-Soft, lsoft.com

PathMarketing and Advertising > Email Campaigns and Transactional Email > Email campaign platforms

Sluglistserv

Deploymenthybrid

Pricingsubscription, quote based, one time

Open sourceno

First discovered2025-02-03

Last discovered2026-08-28

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerEmail campaign platformsCompanies running anything in Email campaign platforms, 1,233,397 of 54,527,857 in the index, and the technologies ranked in it.Category answerEmail Campaigns and Transactional EmailThe 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.