Websites using Lucene

Marketing & SEO Search Engines Visit website

Apache Lucene is a high-performance search engine library written in Java. It provides capabilities for structured and full-text search, faceting, and query suggestions, among others.

Download all 1.45K sites

Download a free sample of the Lucene websites list

Real rows from the list on this page. The file arrives by email.

250 rows
17 columns
CSV

Every column in the file

Popularity Rank
Domain
Company Name
Company Size
Year Founded
Industry
LinkedIn URL
Locality
Country
TLD
Language
Instagram
Twitter
YouTube
TikTok
Technologies Tracked
Premium Technologies

Column headings inside the file are written in English. Not every column is filled for every website.

A look at the file

Domain	Company Name	Technologies Tracked	Premium Technologies
faa.gov	Federal Aviation Administration	112	19
wto.org	World Trade Organization	125	17
wfp.org	World Food Programme	98	20
ala.org	American Library Association	122	15

Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month

Live websites detected: 1,446
Countries with usage: 87
Top market: Indonesia: 🇮🇩 22.7%

Lucene global heatmap

darker = more sites

Lucene usage by country

by sites detected

01 🇮🇩 Indonesia 325 22.7%
02 🇺🇸 United States 158 11%
03 🇷🇺 Russia 119 8.3%
04 🇩🇪 Germany 108 7.6%
05 🇿🇦 South Africa 61 4.3%
06 🇪🇸 Spain 56 3.9%
07 🇧🇷 Brazil 55 3.8%
08 🇮🇹 Italy 54 3.8%
09 🇦🇷 Argentina 41 2.9%
10 🇨🇦 Canada 35 2.4%

And 77 more countries in the full dataset.

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Lucene usage by country group

by sites detected

01 Europe 35 countries 534 37.3%
02 Asia-Pacific (APAC) 18 countries 467 32.7%
03 Southeast Asia 6 countries 397 27.8%
04 English-Speaking Countries 15 countries 365 25.5%
05 European Union (EU) 24 countries 351 24.5%
06 Western Europe 18 countries 339 23.7%
07 BRICS 8 countries 264 18.5%
08 Eastern Europe 17 countries 195 13.6%
09 North America 2 countries 193 13.5%
10 Latin America (LATAM) 16 countries 134 9.4%

Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 1,430 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.

Top websites using Lucene

by popularity

#	Website	Popularity	StackSpend	Country	TLD
01	faa.gov	4,083	$138K+	🇺🇸 United States	gov
02	wto.org	5,577	$21.59K+	🇨🇭 Switzerland	org
03	wfp.org	10,438	$73.6K+	🇮🇹 Italy	org
04	ala.org	11,115	$13.87K+	🇺🇸 United States	org
05	bcb.gov.br	12,930	$843K+	🇧🇷 Brazil	br
06	beniculturali.it	14,880	$96.05K+	🇮🇹 Italy	it
07	muenchen.de	14,946	$41.55K+	🇩🇪 Germany	de
08	unaids.org	16,478	$4.85K+	🇨🇭 Switzerland	org
09	umsu.ac.id	17,169	$68.38K+	🇮🇩 Indonesia	id
10	urfu.ru	17,241	$266K+	🇷🇺 Russia	ru
11	rudn.ru	19,546	$193K+	🇷🇺 Russia	ru
12	sld.cu	24,681	$167K+	🇨🇺 Cuba	cu
13	itmo.ru	26,037	$59.78K+	🇷🇺 Russia	ru
14	tuni.fi	26,044	$488K+	🇫🇮 Finland	fi
15	enea.it	26,635	$112K+	🇮🇹 Italy	it
16	ssau.ru	28,147	$65.4K+	🇷🇺 Russia	ru
17	unr.edu.ar	31,025	$59.49K+	🇦🇷 Argentina	ar
18	unsri.ac.id	35,518	$106K+	🇮🇩 Indonesia	id
19	leipzig.de	41,881	$4.54K+	🇩🇪 Germany	de
20	ufsm.br	43,766	$10.07K+	🇧🇷 Brazil	br

This is 20 of 1,446 websites. Download up to 1M sites per list as CSV, enriched with firmographics.

Download the full list

Companies using Lucene

sample, enriched

Company	Website	Employees	Industry	Country	Founded
Sekolah Tinggi Agama Buddha Negeri…	stabn-sriwijaya.ac.id	51-200	Higher Education	🇮🇩 Indonesia	2005
Uap - Universidad Alas Peruanas	uap.edu.pe	5001-10000	Utilities	🇺🇳 -	1996
Software Colombia Servicios Informaticos…	datosabiertos.gob.pe	1-10	-	🇨🇴 Colombia	-
Journal Of Underutilised Crops Research…	underutilisedcrops.org	-	-	🇿🇦 South Africa	-
Ayuntamiento De Granada	granada.org	1001-5000	Information Services	🇪🇸 Spain	-
Office Of The National Economic And Social…	nesdc.go.th	501-1000	Public Policy Offices	🇹🇭 Thailand	-
ARTESP - Agência Reguladora De Transporte…	artesp.sp.gov.br	201-500	Transportation Programs	🇧🇷 Brazil	2002
Ministero Dell'interno	vigilfuoco.it	10001+	Government Administration	🇺🇳 -	1939
Eco-Vector	eco-vector.com	11-50	-	🇷🇺 Russia	-
Badan Riset Dan Inovasi Nasional Ri (brin…	brin.go.id	10001+	Research	🇮🇩 Indonesia	-
Sprout Open Content	sproutopencontent.com	1-10	Non-profit Organizations	🇰🇪 Kenya	2021
17, Instituto De Estudios Críticos	17.edu.mx	11-50	Higher Education	🇲🇽 Mexico	2001
Health Polytechnic Of The Ministry Of…	poltekkes-pontianak.ac.id	201-500	Higher Education	🇺🇳 -	-
EMT Madrid	emtmadrid.es	5001-10000	Utilities	🇪🇸 Spain	1947
India Data Portal	indiadataportal.com	51-200	Think Tanks	🇮🇳 India	-
GeoSphere Austria	geosphere.at	501-1000	Environmental Services	🇦🇹 Austria	2023
Agricultural Research Council	arc.agric.za	1001-5000	Research	🇿🇦 South Africa	1992
Sriwijaya University	unsri.ac.id	10001+	Higher Education	🇮🇩 Indonesia	1953
Comune Di Rimini	comune.rimini.it	1001-5000	Government Administration	🇮🇹 Italy	-
Högskolan I Borås	hb.se	501-1000	Higher Education	🇸🇪 Sweden	1977
IUTM	iutm.edu.ve	201-500	-	🇺🇳 -	-
Geographic Data Service (GeoDS)	geods.ac.uk	11-50	Higher Education	🇬🇧 United Kingdom	2025
Ajuntament De València	valencia.es	5001-10000	Government Administration	🇪🇸 Spain	-
Department Of Mineral Fuels	dmf.go.th	1-10	-	🇹🇭 Thailand	-
Sangia Research Media & Publishing	sangia.org	51-200	Book and Periodical Publishing	🇮🇩 Indonesia	2017
Edizioni Dellorso	ediorso.it	1-10	-	🇮🇹 Italy	-
Ajuntament D'Inca	incaciutat.com	11-50	-	🇪🇸 Spain	-
Emel	emel.pt	501-1000	Government Administration	🇵🇹 Portugal	1994
Città Metropolitana Di Roma Capitale	cittametropolitanaroma.it	1001-5000	Government Administration	🇮🇹 Italy	-
Badan Pengembangan Sumber Daya Manusia…	bengkuluprov.go.id	51-200	Government Administration	🇮🇩 Indonesia	-
Go.rheinland	gorheinland.com	201-500	Transportation/Trucking/Railroad	🇩🇪 Germany	2022
The Association Of Indonesian Mining…	perhapi.or.id	10001+	Non-profit Organization Management	🇮🇩 Indonesia	1990
Ural Federal University	urfu.ru	5001-10000	Higher Education	🇷🇺 Russia	1920
Agenzia Regionale Per La Protezione…	arpacampania.it	501-1000	Renewable Energy Semiconductor Manufacturing	🇺🇳 -	2000
Stikom Interstudi	interstudi.edu	51-200	Higher Education	🇮🇩 Indonesia	-
Universidade Federal Do Vale Do São…	univasf.edu.br	201-500	Higher Education	🇧🇷 Brazil	2004
Samara State Aerospace University…	ssau.ru	10001+	Education Administration Programs	🇺🇳 -	1942
Open Data DK	opendata.dk	1-10	Civic and Social Organizations	🇩🇰 Denmark	2015
OSE - Administración De Las Obras…	ose.com.uy	1001-5000	Utilities	🇺🇾 Uruguay	1952
Stadt Karlsruhe	karlsruhe.de	5001-10000	Government Administration	🇩🇪 Germany	-

A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.

Lucene usage by industry

by TLD segment

01 Government Administration 53 19.3%
02 Higher Education 40 14.6%
03 Government Administration 31 11.3%
04 Higher Education 26 9.5%
05 IT Services and IT Consulting 22 8%
06 Book and Periodical Publishing 15 5.5%
07 Research Services 13 4.7%
08 Research 12 4.4%
09 Civic and Social Organizations 8 2.9%
10 Education Administration Programs 7 2.6%

Lucene industry distribution chart

share by domain segment

Lucene users by company revenue

53 companies

Put it to work

What teams do with the Lucene list

Sales outreach

All 1,446 of these sites already run Lucene, with the government administration segment leading at 53 sites. Pitch the products and services that fit that exact stack.

Competitor analysis

Selling Google, Baidu, or another Search Engines product? These 1.45K Lucene users are your displacement audience, filterable by country and company size.

Market research

Top markets for Lucene: Indonesia (22.7%), United States (11%), Russia (8.3%). Size the Search Engines market by geography before you build or invest.

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