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| * [[http://www.tokenizer.org/|Tokenizer: Shopping Price Engine]] - web crawler and search engine.
Public Websites using Solr
Helprace uses Solr 4.0 to power its search engine and search suggestions.
Jobreez is powered with Solr 4.0 to search jobs accross 25,000 sources
Immonet use Solr 4.0 to real estate search and faceted browsing
Openindex operates an Apache Solr cluster to provide sitesearch for customers with millions of URL's.
Jobuzu search is using Solr search for job search faceted navigation.
Instagram a Facebook company, uses Solr to power it's geo-search API.
FCC.gov is the new FCC website featuring Solr powered search and faceted navigation.
Comcast / xfinity uses Solr to power site search and faceted navigation.
Jobblu is using as its core search Solr with faceted navigation.
AOL is using Solr to power its channels
eHarmony uses Solr for its search features
Sears uses Solr for search, auto-suggest, and faceted navigation
Ticketmaster is Solr powered, handing search, browsing, alerts, partner feeds.
GameSpot uses Solr for its search features.
The Guardian uses Solr to power it's Open Platform
Netflix uses Solr for their site search feature
Chegg uses Solr for their site search feature for services including textbook rental and homework help
Zappos.com uses Solr & SolrJ for their search and navigation across 150,000 styles of shoes and other products.
Miinto.com uses Solr for their search and navigation across their network of thousands of brick and mortar stores.
SourceForge uses Solr to provide faceted search across all its projects.
http://news.com uses Solr for search.
Panasonic Europe uses Solr to power the search and faceted navigation on it's sites for 30 countries.
eBay uses Solr to power the search for it's German Classified sites.
digg uses Solr for search
Internet Archive is an opensource digital archive that uses Solr for all of its collections (audio/video/books) search, along with PHP and mysql.
StubHub!, an eBay company, uses Solr for Browsing and Searching tickets
Smithsonian Institution cross catalog faceted search
Homeland Security Digital Library (HSDL) uses Solr for search.
NASA Planetary Data System (PDS) uses Solr to search for dataset, mission, instrument, target, and host information
Trove service of the National Library of Australia
JSTOR uses Solr to power it's search and navigation. JSTOR archives and provides access to archival and current issues of more than 1,400 scholarly journals across more than 50 academic disciplines.
Evocatus uses Solr for its search features
PriceSpin.co.uk UK price comparison website uses Solr for keyword search and faceted search drill-down for the site navigation and search functionality.
Ebuyer.com, a UK based computer & electronics retailer uses Solr for its product search
FanSnap uses Solr to help fans search for tickets to live sports, concert, and theater events.
Car Part Price Comparison - Carmio uses Solr for its complex search. (over 3 mio. products and all car parts are added to a specific car)
DealOyster Coupons uses Solr for coupon/merchant search. (3,000+ merchants and 50,000+ coupons)
Price Wiki uses Solr for searching cost of living database on their website.
http://www.lucidimagination.com/search Indexes the Lucene ecosystem: Solr, Lucene Java, Mahout, Nutch, Tika, Droids and the ports of Lucene. Includes mail archives, websites, JIRA issues and wikis.
Fashiolista the leading online social network for fashion uses SOLR for tag search, faceted navigation and user search. Uses the Dataimport handler and multicore features.
FindBestOpenSourceLists best open source across all categories.
http://www.plaxo.com - uses Solr for sitewide activity and people search.
datingsearcher - uses Solr for searching
iOffer is a global marketplace that leverages Solr for its search, faceting and auto-suggest capabilities
http://factbook.bodukai.com/ - CIA World Factbook data imported into Solr.
MMtoolparts.com uses Solr for search our huge selection of power tool parts, accessories, hand tools and equipment from all major industrial brands
Mefindcoupon uses Solr to help online shoppers search Merchants.
Wickedin is a vertical search engine for classified ads launched in Italy and present in Spain and UK. The website succesfully uses SOLR to index over 4 million ads in categories such as jobs, real estate, cars, motorbykes, pets, camper vans and general merchandise.
GittiGidiyor.com is biggest e-commerce company in Turkey and uses Solr for search.
HurriyetOto.com - Turkey's leader first & second hand car sale site, build on top of Solr.
Kanunum.com is a Turkish enterprise specializing in legal information services and uses Solr for searching Turkish legal texts.
All Plumbing Repair has deployed solr to optimize locating plumbers by zip code.
Atlanta Water lines Uses Solr for there online shoppers in Atlanta.
alaTest.com Product review site (and mobile applications) using Apache Solr for its site search features.
The Echo Nest uses Solr quite extensively to store and retrieve billions of data points about music via our API
http://www.alltreatment.com/ Uses Solr to power search and a directory for drug rehab centers nationwide (US).
eBharatJobs.com A vertical job search engine targeted for India. Using Solr to index & perform search
SimplyFreshers.com A website for needs of Freshers (in India). Using Solr to index & perform search on jobs, placement papers, interviews. Using filters to further refine searches
Sarkari Tenders - Indian Government Tenders A vertical tenders search engine targeted for India. Using Solr to index & perform search, and filters results.
TheBigJobs.com A Job portal build using Drupal CMS. Using solr to index & search jobs posted on website.
Anta Plumbing has deployed solr for there company in Toronto.
Demand Jobs developed upon Solr which is used to index jobs and provide a fast search interface for users.
Citysearch uses Solr for all searches on the site. Includes facets by location and category. Index contains 19 million documents and is distributed over multiple servers. Serving over 3 million visitors a day.
IncredibleAgents uses Solr for searching across 1.5 million real estate agents
Homethinking uses Solr to search and rank 1.5 million Realtors according to their sales history across each local area
manta.com uses Solr for company profiles search and browsing. Facets by location and industry and filtering by sales volume, the number of employee and public/private. Has 14 Million US companies. About 10 requests per second. Running under tomcat 6.x with 6 G JVM Memory (3 Linux servers). The optimized index size is 7.3 G.
Game Change change your games for free (Germany)
Scissor Doors uses Solr for search and browsing that provides Lambo Doors & Suicide Doors to merchants in USA & Canada.
Yankee Group uses Solr to create a search and browse experience which includes its published subscription content, press releases, and public blog postings. Registered users (including guests) can save searches, turn them into email alerts, and consume them as RSS feeds.
Central Desktop Multi-tenant SaaS business collaboration tool. >3M documents >1TB raw data >35GB index size.
6pm.com uses Solr for their entire site search and navigation
Ridgeway Mechanical Atlanta Plumbing Company. > Solr for their entire site.
Enormo - uses Solr to search more than 3,000,000 property listings in 49 European and North African countries, in 30 languages, features range and minimum and maximum percentile faceting
Intervals uses Solr for searching projects, tasks and other project management related data.
search.com queries various Solr search collections
Cleaning Service Directory: Uses Solr to power search over thousands of contractors
Atlanta Plumbing uses Solr for there online plumbing site.
Volunteer Solutions uses Solr for basic keyword search and faceted browsing of 100s of categories of volunteer opportunities
http://krugle.com uses Solr to store information about projects and user-created code notes.
CHOWHOUND uses Solr for its search facility.
Surround Sound DJ uses Solr for speed for there dj site in Toronto.
Local Clinical Trials is a clinical trials search engine that uses Solr for trial and facility spatial search.
Discogs uses Solr for keyword search and faceted browsing
Uptake Vacations: Uses Solr to search over 10,000,000 travel listings of different types including hotels, things to do, reviews, and opinions behind a ruby on rails front end.
Collex Collex @ NINES. Collex is a faceted browsing system which Solr behind a Ruby on Rails front-end, with some custom request handlers and caching.
ICT Vacatures a Belgian job board for IT and telecommunication jobs powered by Solr.
Intellog search, content contribution and sharing site for industrial communities (initially, oil & gas). Utilizes Solr implemented on Amazon Web Services.
http://www.railshostinginfo.com/ uses Solr for its faceted search to find Ruby on Rails hosting.
University of Alberta Libraries Peel's Prairie Provinces uses Solr for full text search and faceted search.
University Laval library catalogue (1.8 M docs) http://ariane2.bibl.ulaval.ca
Hitflip uses Solr to allow visitors to search the content database. Currently (Feb. 2007) the content database contains over 400.000 items and handles an estimated 30k-50k searches per day. Solr runs on a Intel Xeon 5130 server, which has 2 GB of RAM dedicated to Solr. Solr system load is minimal.
Slando Russian Classifieds uses Solr for searching through classified ads in various Eastern European languages including Russian.
La Repubblica Newspaper - One of the main Italian Newspapers uses Solr for faceted browsing/filtering through classifieds (Annunci)
Zvents uses Solr for search and faceted browsing of events & activities listings.
PriceJunkie is a price comparison engine that uses solr to handle search and faceted browsing of merchant products.
reddit uses Solr for search
UNT Libraries' Digital Collections uses Solr for search features
The Portal to Texas History uses Solr for search features
The Congressional Research Service Archive uses Solr for search features
MAME Reviews: faceted search (Drupal Solr module)
Peel Sessions: search (Drupal Solr module)
Golfballs.com uses Solr for all site browsing functions
Howtoons.com uses a solr powered blog.
Nsyght uses Solr for search
Matratzen-Komet.de uses solr for finding products and furniture for bedroom like beds.
Bazaaria is an online trading alternative, focussing on the niche of non-powersellers. Bazaaria uses Solr for its product search and filters.
ReviewGist is a product reviews search and comparison tool that uses Solr for faceted browsing and review search.
The Digital Commonwealth uses a solr based OAI-PMH engine to search digital collections within Massachusetts.
Cosmotourist uses Solr for search and faceted browsing.
Flix55 uses Solr to search user-uploaded videos
Hitmeister uses Solr for search
homestars.com uses Solr to search 1.6 million companies.
Hood.de uses Solr for product and auction search.
Snooth uses Solr for search.
DollarDays uses Solr for product and CRM searches handling tens of thousands of requests per day against over 1.5 million records using Apache-Tomcat.
TVtrip use Solr for hotel search and faceted browsing
IS Inc. uses Solr for course search and browsing
Well.ca uses Solr for product searches
Autoo.ro Romanian car sales aggregator. Uses Solr for search and faceted browsing.
Rez.ro Romanian real estate portal. Uses Solr for search and faceted browsing.
www.sladsonline.com uses Solr to index and search Sri Lankan advertisements published online.
The Dewey Browser was developed by the OCLC office of Research and uses Solr to provide resource discovery based on the Dewey Decimal Classification.
StyleFeeder: uses Solr for search
Avvo: uses Solr for search and faceted browsing.
easy-coding.de: uses Solr for onsite and crosssite search, home of solr wcf plugin, ~4k hits a day, uses faceted browsing.
Polyvore: uses Solr for faceted search and browsing of items, sets, and groups.
situsbelanjaku: uses Solr for faceted search and browsing of items, sets, and groups.
Sapo-Videos: uses Solr for content search and to suggest related videos.
Sapo-Blogs: uses Solr to search through a collection of 6.5 million documents.
Shopreflex use Solr for content search and faceted search
Staragora use Solr for content search and faceted search
http://dlib.nyu.edu/findingaids/ uses Solr to search among and within archival finding aids for NYU and N-YHS
bulDinle.com use Solr for music content search
Imoo Romanian real estate listings aggregator. Uses Solr for search and faceted browsing.
Wego Travel Search Engine, use Solr to index data for fast retrieval
Nordsee-Küchen unses Solr for search in Magento Commerce for finding over 2000 parts like Armaturen, Spülen and Mülleimer
Oshieru Manaberu Matchmaking site uses Solr to find teachers and students, each other.
Onmeda German health portal uses Solr for content search, including faceted searches. (~750.000 articles, ~9000 searches per day, JBOSS)
http://www.rallyformusic.com uses Solr for navigation and full site search.
http://www.machdudas.de uses Solr for location based classified search using geodata.
http://www.kerevizli.com uses Solr to search music albums.
Cheaptickets.com Uses solr for faceted search. Searches all the hotel reviews for each location and provides the results to the user.
flug.idealo.de uses Solr for faceted browsing of airports, airlines and flight-offers and some searches (Ajax Suggest). Solr (with Jetty) runs on a 8 CPU (2 x E5450 @ 3.00GHz) machine with 32 GB of RAM, 16 are dedicated to Jetty/Solr. Actually (Oct 2008) we have between 200,000 and 500,000 Requests from faceted browsing (up to 15/sec) and 100,000 Searches per day. We have 15,000,000 Docs and faceted browsing is very fast.
Firm-UA.com uses Solr for site search
CiteSeerX uses Solr as the Index for full text, citation similarity search.
YAY Micro: uses Solr to search in over 500 000 images and vector files. Solr has given YAY one of the fastest searches in the stock image industry.
podcast.de: German podcasting portal uses Solr for channel, episode, user search and faceted browsing
http://www.airliners.net: Aviation photography website.
findthatfile.com: File based search engine for locating media on the Internet encompassing Web, FTP, Usenet and P2P resources including 43 file types and 200+ file extensions. Last count 300m records. Derivative vertical sites include : http://www.findthatdoc.com, http://www.findthatexcel.com, http://www.findthatpdf.com, http://www.findthatdll.com, http://www.findthatzipfile.com, http://www.findthatpowerpoint.com, http://www.findthatrpm.com, http://www.findthatjar.com, http://www.findthatcode.com, http://www.findthatdb.com, http://www.findthatexe.com, http://www.findthataudio.com,http://www.findthatvideo.com
buddyfetch: Social network, IM, and dating people search engine (approx 70 million people)
Shopr.com uses Solr for keyword and faceted search of its users and user recommended products.
Restaurant.nl is using Solr 1.3 for keyword and faceted search in 15.000 restaurants (and very happy with it).
ProvincieGroningen.nl is using Solr 1.4 for indexing documents, files and the website itself and it works very well.
Apontador.com a LBS-based website, using Solr to index data. Approximately 12 million of documents and 5.5 million of requests-per-day distributed on 4 servers.
ilocal.nl Company search engine for the Netherlands and Belgium. Includes location based search using Local Solr and result grouping using Field collapsing. Includes approximately 1.1 million companies and over 800k locations.
welke.nl Kitchen, Bathroom and other interior product search engine. Employs extensive facetation and illustrates how to combine Hippo CMS with Solr.
MacMall Uses Solr for search and faceted browsing.
MySecondhome Uses Solr for searching/faceting real estate in Europe
Bound to Stay Bound Books is using Solr to power search.
Kölner Weinkeller uses Solr for the product search, including facetted search
OverBlog uses Solr 3.4.0 for all searches on http://www.over-blog.com, http://www.over-blog.de and http://www.erog.fr. Index contains more than 35 million documents. Solr runs on three servers (8-Core Intel Xeon® Processor X5365 @ 3GHz) with 28 GB of RAM. Serving over 2 million visitors a day and indexing more than 40,000 new contents each day.
DiVA - Academic Archive On-line DiVA is an institutional repository and archive used by 24 Scandinavien universities. Solr is used for searching and faceting. There are three different indexes which contain ~260k documents each.
HuriSearch uses Solr in order to provided a search site dedicated to Human Rights by indexing 5000 web sites
Saveur.com uses Solr to provide facetted search through recipes, ingredients, courses and occasions
JobVille uses Solr for searching/faceting job offers crawled from various job posting sites in Italy.
VoucherCD uses Solr to search voucher codes and provide price comparison for hundreds of thousands of products from retailers in the UK.
IPC Media uses Solr for searching, faceting and 'super page' creation across all of its properties.
kaufDA is the leading German website for local shopping opportunities and presents its over 5 million users brochures of retailers of various sectors like supermarkets, discounters, furniture stores, health food stores and many more. It uses Solr for its various indexes for a search with faceted browsing, auto-completions, suggestions, a "did you mean" functionality, its localization and other features.
Observatory of Presidential Elections – Colombia 2010 uses Solr for searching/faceting (Aditional info on Kudos Ltda. Blog )
pointoo is a local search platform in Germany and serves millions of page requests using Solr for faceted browsing and search.
Hathi Trust uses Solr to provide bibliographic and full-text search for 5+ million digitized books and journals.
OpenTheMagazine uses Apache Solr (exploiting its scalability to max) for the listed reasons http://www.srijan.in/blog/openthemagazinecom-case-study.
HealthcareJob Is a jobsite specific for the pharma and medical industry in the netherlands. We use Apache Solr for faceted browsing and search.
The it2.biz Local Business Directory (UK) uses Solr to serve its users the information of approximately 2 million UK Companies. (Average 60,000 search requests per day)
Jounce uses Solr to search its database of ~12M affiliate marketing offers.
FictFact Solr is used to search its listings of authors, series, and books.
FIXR is a home improvement contractor referral service. FIXR uses Solr for searching a database of more than 50,000 remodeling contractors.
Flexile Vertical Search is a Java vertical search platform for launching vertical search engines. It comprises a crawler, an extraction engine and Solr.
Dagens Næringsliv is Norway's leading financial newspaper. Solr powers the main news search as well as the tax list, the wine club and more.
TradeWinds is an online newspaper dedicated to shipping news, operated by Norwegian NHST Media Group. Solr powers the news search and jobs search.
ReCharge is an online newspaper dedicated to renewable/green energy news. Operated by Norwegian NHST Media Group. Solr powers the news search.
FINN Bedrifter is a directory (yellow pages) of Norwegian companies, run by Schibsted. Powered by Solr.
Akademika.no is a Norwegian online book store with focus on students and school books. Built with Drupal, and Solr powers the search through the Drupal Solr plugin.
Trovit is a search engine for classified ads present in 20 countries and 3 different business categories (Real Estate, Cars, Jobs). Currently it handles more than 180 Solr indexes to serve different types of user search requests.
ShipsMoorings is a search portal for classified ads that works exclusively with 2 different verticals: ships and moorings for buy, sell or rent. Serving dozens of countries with customised Solr instances.
Biblio uses Solr to power a search of 65 million used, rare and out-of-print books for sale. Supports 2.5 million searches a day, with 1 million record daily index churn.
StoreCrowd uses Solr to store & serve over 10 Million Product Searches from 500+ Merchants, it's also used to track price history on products.
Movieplayer.it, an online italian magazine focused in cinema, TV series, home videos and television programs, uses Solr for search and auto-suggest.
Multiplayer.it, an online italian-based magazine focused on video games, uses Solr for search and auto-suggest.
Brightidea uses Solr to index all content and provide search functionality for its client hosted sites.
Nordicphotos searching about 5 million photographs, each with 20-60 keywords each in 4 languages, about 50ms response time on optimized index.
Query Log Visualizer, a demo site for Solr Query Log Visualization, using solr that indexes Solr query log files to visualize them. You need one of IE9, FF3.6.16/5.0.1, Safari 5.0.5, Chrome 12.0.742.122 or newer version of them to see the demo.
FoodieBytes - Restaurant and menu search engine, indexes over 200K restaurant menus. Spatial search and field collapsing implemented to show menu dishes near you.
GulogGratis.dk, Second largest classifieds site in Denmark. Around 400k documents and growing. Just over 150qps to Solr.
DonorsChoose.org, online charity that makes it easy for anyone to help students in need. SOLR used for classroom project searching/browsing, API, and more.
exchange*me: Barter platform uses Solr for searching classifieds and faceted navigation
Kalender.se uses Solr for event search and calendar autocompletion.
SearchableCloud uses Solr to search user content (their social network feeds and cloud data) and also to power the extensive monitoring and eventing infrastructure of the site
Reduceri Online uses Solr to search for products and to suggest similar products (More Like This feature).
cable by dazzlepod, Browse, search and read US Embassy Diplomatic Cables (also known as Cablegate) released by WikiLeaks. Over 250,000 documents indexed.
The Global Intelligence Files, Browse, search and read STRATFOR's emails released by WikiLeaks. Over 5 million documents indexed.
Open Test Search, is a site for doing live side by side comparison of some common enterprise search engines. Have several Solr based engines in the inventory. About 50 000 documents indexed in each search engine.
Handmade Kultur is as social platform for the DIY Scene. It uses solr for searching the projects, courses and events.
Billigmed is a german price comparison website for pharmaceutical items. Solr is used for facetting and autosuggestion on approximately 2 Million documents.
http://www.jobseeker.com.au is a job search engine powered by Solr 3.5.
local.ch - white and yellow pages of Switzerland uses Solr 4.0 to serve the website and the mobile apps.
Public Library of Science PLOS is a non profit publisher of open access, peer reviewed research articles.
search-im: Publicly accessible, user submitted, messenger profile aggregator to enable the communication of Skype, Yahoo, AIM, ICQ, Google Talk and MSN messenger users (~18 mil users)
Simple Telecommute: Search engine for work at home, freelance, virtual and part time/contract jobs.
Search by Quote: an experimental concept search engine based on quotations or references in news stories, webpages and more. (5+m records)
The Usenet Archive: Usenet news message archive search engine for past Usenet message postings.
Tam İndir: Biggest download site in Turkey uses Solr.
Flipkart is India's leading e-commerce website. It uses Solr to power e-commerce search over it's extensive catalogue.
Recruit.net uses Solr 4.0 for a global job search engine operating web sites in 14 countries.
Gulindex.no uses Solr to power search engine and auto-complete functionality. 8 million records with 20k searches per day.
Softmonk: Multi-language software downloads and reviews.
bicycle-outlet.de: Solr powers the search as well as the facets and the category navigation in this OXID Shop.(~12.000 products).
Mitula uses thousands of Solr indexes for backend and frontend processes (mainly frontend user searches, auto-complete, search trends, statistics and so on). Mitula is a lead search engine for classified ads in 3 verticals: Real Estate, Cars and Jobs.
fabial uses Solr 4.7 to empower search, faceted navigation, cross selling as well as several other on site marketing features on the site.
Other Solr users
Free People uses Solr for on-site product search, faceted refinements, related searches and auto-complete
CISCO uses Solr at the core of it's Cisco Pulse social network expert search platform.
CNET Channel uses Solr for keyword and faceted search of its catalog (paid subscription required)
NASA is using Solr as the Enterprise Search component in its NEBULA cloud computing platform.
MTV Networks uses Solr to power search on a number of its websites, including TheDailyShow.com, ColbertNation.com, and SouthParkStudios.com, and as a back-end tool on other sites such as comedycentral.com
ClavisNG: an Open Source Integrated Library System. It use Solr both for the management system and the OPAC (known as DiscoveryNG). You can download and try the Community Edition at http://sourceforge.net/projects/clavisngce/
Benipal Technologies uses a high performance 35 node Solr cluster in conjunction with Hadoop MapReduce, HBase and katta for faceted semi-supervised search algorithms as part of its Machine Learning and Artificial Intelligence R&D.
OPUS 4 is an open source (GPL) publication repository software that uses Solr for faceted search and collection browsing. Unfortunately, the website is in German only. An English translated version will be available soon.
Jeeran uses Solr 4.0 to help users search about any place [restuarent,cafe,...]in the Middle East .
Business Guide For Belgium and The Netherlands is a popular business guide and is using Solr 3.1 to perform fast geospacial searches and free-text searches.
Job Basket job Search uses Solr to serve thousands of jobs to job seekers throughout the UK.
Insidetrak Australian Job Search engine combining job listings and reviews. Usage of Solr 4.0 is currently being integrated to perform faceted search
Hotelclub an Orbitz company, uses Solr to power it's geo-search queries on static pages.
Redfin uses Solr to power near-real-time search for its in-house customer relationship management system.
VirtualWorks uses Solr to power their enterprise search offering.
It would be good to add some scale information here, where possible: how many documents do these sites index, how many search requests per day, what kind of servers, etc. If someone could determine what kind of license, copyright, etc the current Solr logo has, it could be included as a text file in the zipped SVG file and could make for a clearer permission statement.
Powered by logos (in multiple formats) are available in http://lucene.apache.org/images/