Databases

Who left Lucene, and who still runs it

11 websites in the top 1M run Lucene, observed directly from the rendered page in the July 2026 crawl.

Some companies running Lucene

Every row in a full list carries the prospect's whole detected stack.

national water informatics centre nwic.gov.in51-200 · government administration · 20 technologies

asistencia psicoterapeutica integral datos.gob.ar1-10 · · 16 technologies

Not currently available as a list.

jQuery 100%PostgreSQL 100%Select2 100%Solr 100%Ckan 100%Java 100%Moment.js 100%Python 100%Bootstrap 100%Popper 82%

Share of a 11-domain sample of Lucene users that also run each.

1-101

51-2001