Technology · Databases
689 websites in the live index use Lucene as of October 2026. Download the full list of Lucene websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Lucene on 689 websites: 0.01% of Databases detections, the 6th most-used of 12 Databases technologies we track.
Sample results for Lucene. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #40,328 | opendata.swiss | opendata.swiss | - | - | en |
| #53,537 | hri.fi | Helsinki Region Infoshare - Avoimen datan palvelu | - | - | - |
| #136,796 | mobidata-bw.de | MobiData BW® | - | - | - |
| #316,790 | open.africa | Welcome - openAFRICAAfrica | - | - | - |
| #381,203 | datamx.io | Welcome - Datamx.io | - | - | - |
| #573,199 | energydata.info | Welcome to ENERGYDATA.INFO - ENERGYDATA.INFO | - | - | - |
| #1,000,000 | donneesquebec.ca | Données Québec – Données ouvertes du Québec | - | FR | fr-FR |
| #1,174,676 | justicehub.in | Welcome - Justice HubA collaborative community of organisations and individuals working towards creating, curating and maintaining resources (commons) to advance and promote data driven legal research. | Justicehub | IN | en |
| #1,732,778 | wbwaterdata.org | wbwaterdata - World Bank Group - waterdata | - | - | - |
| #1,748,833 | indicadores.pr | indicadores.pr | 526: Invalid SSL certificate | Indicadores | US | en-US |
| #1,806,117 | hubofdata.ru | Добро пожаловать в - Хаб открытых данных | - | - | - |
| #1,856,975 | pandoradata.earth | Welcome - Pandora | Pandoradata | - | en |
| #3,293,295 | niagaraopendata.ca | Welcome - Niagara Open Data | - | - | - |
| #5,000,000 | avoindata.fi | avoindata.fiSuomi.fi Open Data is Finland’s open data catalogue. The portal gathers all open data published in Finland in a single service. Come, use it, or publish via us! | avoindata.fi | FI | fi |
| #5,000,000 | phoenixopendata.com | Welcome - City of Phoenix Open Data | - | - | - |
| #6,467,687 | detroitdata.org | Welcome - DetroitData | - | - | - |
| #6,669,939 | yamaguchi-opendata.jp | 山口県オープンデータカタログサイト山口県及び県内市町が保有するオープンデータを公開するための専用サイトです。 | - | - | - |
| #8,449,653 | sprogteknologi.dk | sprogteknologi.dkPå sprogteknologi.dk kan du finde metadata om danske sprogressourcer, use-cases og læse mere om Digitaliseringsstyrelsens arbejde med dansk sprogteknologi. | - | - | - |
| #9,897,143 | genderopendata.org | Welcome - Gender Open Data | - | - | - |
| #20 | gallarias.com | Bienvenida - dat.ar | - | - | spa |
Complete Lucene website dataset in CSV. One-time purchase.
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The most-used Databases technologies in the TechLeads index, by number of websites. Lucene accounts for 0.01% of Databases detections (689 websites).
| No. | Technology | Websites | Share of Databases | Relative size |
|---|---|---|---|---|
| 01 | MySQL | 9,274,252 | 97.1% | |
| 02 | Redis | 149,833 | 1.6% | |
| 03 | MariaDB | 66,694 | 0.70% | |
| 04 | PostgreSQL | 44,598 | 0.47% | |
| 05 | MongoDB | 10,829 | 0.11% |
TechLeads scans public websites and identifies Lucene from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 689 websites using Lucene. Open the sample table on this page or download the lead list.
The chart on this page is monthly HTTP Archive crawl detections for Lucene, compared with other Databases technologies. It is not the TechLeads live index.
In the same HTTP Archive category, Lucene is charted against MySQL, Firebase, Redis, MariaDB, PostgreSQL. Live-index co-occurrence on this page is a separate signal.
Companies and websites using Lucene in the TechLeads index include opendata.swiss, hri.fi, mobidata-bw.de, open.africa, datamx.io. The full list of 689 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Databases alternatives to Lucene are MySQL (9,274,252), Redis (149,833), MariaDB (66,694).
TechLeads scans public websites and matches Lucene by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
Yes. A one-time Lucene dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Top-ranked sites on LuceneRank
Monthly detections of Lucene in the HTTP Archive crawl. This is historical crawl coverage, not the TechLeads live website index.
Same HTTP Archive category (Databases), not the whole web. Toggle competitors on or off.
Optional rank bands from the crawl (top 1k through long tail). Missing months are crawl gaps, not uninstalls.
Technologies most frequently detected on the same websites as Lucene. Counts are websites in the live index.
Distribution of websites using Lucene across countries in the TechLeads database.
| Country | Sites | Relative size |
|---|---|---|
| United States (US) | 7 | |
| Argentina (AR) | 6 | |
| Brazil (BR) | 5 | |
| Germany (DE) | 4 | |
| Australia (AU) | 4 | |
| Italy (IT) | 4 | |
| Canada (CA) | 4 | |
| United Kingdom (GB) | 2 | |
| Finland (FI) | 2 | |
| Netherlands (NL) | 2 | |
| Türkiye (TR) | 1 | |
| India (IN) | 1 |
Sites where we first detected Lucene, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
8
sites newly detected in the last 12 weeks
Lucene is a free and open-source search engine software library.
Our comprehensive database contains 689 websites using Lucene, making it the most complete Lucene sites list available. This Lucene customer websites directory helps businesses detect websites using Lucene and identify potential leads.
The largest concentrations of Lucene websites are in US, AR, BR, based on our indexed country data.
Websites using Lucene commonly also use Java, Ckan, Solr, PostgreSQL, Python — reflecting typical Lucene technology stacks.
Our Lucene technology detection system scans millions of websites to identify those powered by Lucene. This list of sites with Lucene includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Lucene or exploring Lucene adoption trends, our database provides comprehensive insights.
Each entry in our Lucene sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Lucene and reach out to potential customers or partners.
Get instant access to the full list of sites with Lucene in CSV format. Our dataset includes all 689 Lucene customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Lucene powered websites.
| Japan (JP) | 1 |
|---|
| Spain (ES) | 1 |
|---|
| Ecuador (EC) | 1 |
|---|
| Austria (AT) | 1 |
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| Kyrgyzstan (KG) | 1 |
|---|
| France (FR) | 1 |
|---|
| Poland (PL) | 1 |
|---|
| Switzerland (CH) | 1 |
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| Pakistan (PK) | 1 |
|---|
| Guatemala (GT) | 1 |
|---|
| Panama (PA) | 1 |
|---|
| Ukraine (UA) | 1 |
|---|
| Romania (RO) | 1 |
|---|
| Trinidad & Tobago (TT) | 1 |
|---|
| Israel (IL) | 1 |
|---|
| Ireland (IE) | 1 |
|---|
| Indonesia (ID) | 1 |
|---|
| Chile (CL) | 1 |
|---|
