Fess is very powerful and easily deployable Enterprise Search Server.
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Anserini is a Lucene toolkit for reproducible information retrieval research
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Indexing engine for IndexTank
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Indexing engine for IndexTank
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Filters a list based on a fuzzy string search
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A lightweight fuzzy-search library, with zero dependencies
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open-semantic-searchby opensemanticsearch
Shell 
793 Version:Current License: Strong Copyleft (GPL-3.0)
Open Source research tool to search, browse, analyze and explore large document collections by Semantic Search Engine and Open Source Text Mining & Text Analytics platform (Integrates ETL for document processing, OCR for images & PDF, named entity recognition for persons, organizations & locations, metadata management by thesaurus & ontologies, search user interface & search apps for fulltext search, faceted search & knowledge graph)
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Do fuzzy matching using FZF algorithm in JavaScript
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Enables full-text searching of CouchDB documents using Lucene
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Apache Solr open-source search software
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Official codes for ACL 2023 paper "WebCPM: Interactive Web Search for Chinese Long-form Question Answering"
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PISA: Performant Indexes and Search for Academia
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An embeddable fulltext search engine. Groonga is the successor project to Senna.
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Blacklight provides a discovery interface for any Solr (http://lucene.apache.org/solr) index.
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Deprecated! High performance real-time prefix search, indexes store in Redis for Rails application
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Java fuzzy string matching implementation of the well known Python's fuzzywuzzy algorithm. Fuzzy search for Java
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Selective Search Implementation for Python
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Package Repo Search
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Lucene++ is an up to date C++ port of the popular Java Lucene library, a high-performance, full-featured text search engine.
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An open source, non-profit search engine implemented in python
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Simple image search engine
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Search engine like fulltext query support for ActiveRecord
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javascript fulltext search engine library
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Banana for Solr - A Port of Kibana
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a high level client for cassandra
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A search engine based on Node.js and LevelDB
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Enable Explorer in Vista, Windows 7 and later to see, edit and search on tags and other metadata for any file type
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Pysolr — Python Solr client
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Modern Perl: the book
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OpenSearch is a collection of simple formats for the sharing of search results.
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Search Google/Bing/Ecosia/DuckDuckGo/Yandex/Yahoo for a search term (dork) with a default set of websites, bug bounty programs or custom collection.
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RUM access method - inverted index with additional information in posting lists
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Image recognition open source index and search engine
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Stay happy while offline | World's first offline search engine.
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A Ghost blog search engine
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A Collection of BM25 Algorithms in Python
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A Ghost blog search engine
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Lucene based secondary indexes for Cassandra
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A search application to explore, discover and share online files
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Searching sensitive files and contents in GitHub associated to company name or other key words
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Framework and javascript free privacy respecting meta search engine
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⚡️ A library of widgets and helpers to build instant-search applications on iOS.
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Search analytics made easy
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Vector space search engine. Available as a HTTP service or as an embedded library.
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Search for potential frontable domains
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Meta search for NZB indexers
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An optimized substring search engine written in Go
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Unmaintained: Laravel Searchy makes user driven searching easy with fuzzy search, basic string matching and more to come!
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Navigating Spreading-out Graph For Approximate Nearest Neighbor Search
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Provide data analysis methods, data matching method and so on for T9 pinyin search and Qwerty pinyin search in Java. The project demonstrates contacts search and app search on android.
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fessby codelibs
Fess is very powerful and easily deployable Enterprise Search Server.
Java 850Updated: 2 y ago License: Permissive (Apache-2.0)
850Updated: 2 y ago License: Permissive (Apache-2.0)Support
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anseriniby castorini
Anserini is a Lucene toolkit for reproducible information retrieval research
Java 850Updated: 2 y ago License: Permissive (Apache-2.0)
850Updated: 2 y ago License: Permissive (Apache-2.0)Support
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indextank-engineby LinkedInAttic
Indexing engine for IndexTank
Java 843Updated: 4 y ago License: Permissive (Apache-2.0)
843Updated: 4 y ago License: Permissive (Apache-2.0)Support
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indextank-engineby linkedin
Indexing engine for IndexTank
Java 838Updated: 4 y ago License: Permissive (Apache-2.0)
838Updated: 4 y ago License: Permissive (Apache-2.0)Support
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fuzzyby mattyork
Filters a list based on a fuzzy string search
JavaScript 811Updated: 2 y ago License: Permissive (MIT)
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fuse-swiftby krisk
A lightweight fuzzy-search library, with zero dependencies
Swift 795Updated: 4 y ago License: Permissive (MIT)
795Updated: 4 y ago License: Permissive (MIT)Support
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open-semantic-searchby opensemanticsearch
Open Source research tool to search, browse, analyze and explore large document collections by Semantic Search Engine and Open Source Text Mining & Text Analytics platform (Integrates ETL for document processing, OCR for images & PDF, named entity recognition for persons, organizations & locations, metadata management by thesaurus & ontologies, search user interface & search apps for fulltext search, faceted search & knowledge graph)
Shell 793Updated: 2 y ago License: Strong Copyleft (GPL-3.0)
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fzf-for-jsby ajitid
Do fuzzy matching using FZF algorithm in JavaScript
TypeScript 790Updated: 2 y ago License: Permissive (BSD-3-Clause)
790Updated: 2 y ago License: Permissive (BSD-3-Clause)Support
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c
couchdb-luceneby rnewson
Enables full-text searching of CouchDB documents using Lucene
Java 757Updated: 4 y ago License: Permissive (Apache-2.0)
757Updated: 4 y ago License: Permissive (Apache-2.0)Support
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solrby apache
Apache Solr open-source search software
Java 753Updated: 2 y ago License: Permissive (Apache-2.0)
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WebCPMby thunlp
Official codes for ACL 2023 paper "WebCPM: Interactive Web Search for Chinese Long-form Question Answering"
HTML 753Updated: 2 y ago
License: No License (No License)
753Updated: 2 y ago License: No License (No License)Support
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pisaby pisa-engine
PISA: Performant Indexes and Search for Academia
C++ 739Updated: 2 y ago License: Permissive (Apache-2.0)
739Updated: 2 y ago License: Permissive (Apache-2.0)Support
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groongaby groonga
An embeddable fulltext search engine. Groonga is the successor project to Senna.
C 732Updated: 2 y ago License: Weak Copyleft (LGPL-2.1)
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blacklightby projectblacklight
Blacklight provides a discovery interface for any Solr (http://lucene.apache.org/solr) index.
Ruby 731Updated: 2 y ago License: Proprietary (Proprietary)
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redis-searchby huacnlee
Deprecated! High performance real-time prefix search, indexes store in Redis for Rails application
Ruby 711Updated: 4 y ago License: Permissive (MIT)
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fuzzywuzzyby xdrop
Java fuzzy string matching implementation of the well known Python's fuzzywuzzy algorithm. Fuzzy search for Java
Java 706Updated: 2 y ago License: Strong Copyleft (GPL-2.0)
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selectivesearchby AlpacaDB
Selective Search Implementation for Python
Python 692Updated: 4 y ago License: Permissive (MIT)
692Updated: 4 y ago License: Permissive (MIT)Support
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alfred-pkgman-workflowby willfarrell
Package Repo Search
PHP 691Updated: 2 y ago License: Permissive (MIT)
691Updated: 2 y ago License: Permissive (MIT)Support
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LucenePlusPlusby luceneplusplus
Lucene++ is an up to date C++ port of the popular Java Lucene library, a high-performance, full-featured text search engine.
C++ 677Updated: 2 y ago License: Proprietary (Proprietary)
677Updated: 2 y ago License: Proprietary (Proprietary)Support
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m
mwmblby mwmbl
An open source, non-profit search engine implemented in python
Python 677Updated: 2 y ago License: Strong Copyleft (AGPL-3.0)
677Updated: 2 y ago License: Strong Copyleft (AGPL-3.0)Support
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search_copby mrkamel
Search engine like fulltext query support for ActiveRecord
Ruby 662Updated: 4 y ago License: Permissive (MIT)
662Updated: 4 y ago License: Permissive (MIT)Support
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fullproofby reyesr
javascript fulltext search engine library
JavaScript 660Updated: 4 y ago License: Permissive (Apache-2.0)
660Updated: 4 y ago License: Permissive (Apache-2.0)Support
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bananaby lucidworks
Banana for Solr - A Port of Kibana
JavaScript 659Updated: 4 y ago License: Proprietary (Proprietary)
659Updated: 4 y ago License: Proprietary (Proprietary)Support
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hectorby hector-client
a high level client for cassandra
Java 646Updated: 3 y ago License: Permissive (MIT)
646Updated: 3 y ago License: Permissive (MIT)Support
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norchby fergiemcdowall
A search engine based on Node.js and LevelDB
JavaScript 645Updated: 4 y ago License: No License (No License)
645Updated: 4 y ago License: No License (No License)Support
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F
FileMetaby Dijji
Enable Explorer in Vista, Windows 7 and later to see, edit and search on tags and other metadata for any file type
C# 642Updated: 2 y ago License: Weak Copyleft (MS-PL)
642Updated: 2 y ago License: Weak Copyleft (MS-PL)Support
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pysolrby django-haystack
Pysolr — Python Solr client
Python 633Updated: 2 y ago License: Permissive (BSD-3-Clause)
633Updated: 2 y ago License: Permissive (BSD-3-Clause)Support
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modern_perl_bookby chromatic
Modern Perl: the book
Perl 633Updated: 4 y ago License: No License (No License)
633Updated: 4 y ago License: No License (No License)Support
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opensearchby dewitt
OpenSearch is a collection of simple formats for the sharing of search results.
Python 632Updated: 2 y ago License: Strong Copyleft (CC-BY-SA-4.0)
632Updated: 2 y ago License: Strong Copyleft (CC-BY-SA-4.0)Support
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sitedorksby Zarcolio
Search Google/Bing/Ecosia/DuckDuckGo/Yandex/Yahoo for a search term (dork) with a default set of websites, bug bounty programs or custom collection.
Python 623Updated: 2 y ago License: Strong Copyleft (GPL-3.0)
623Updated: 2 y ago License: Strong Copyleft (GPL-3.0)Support
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r
rumby postgrespro
RUM access method - inverted index with additional information in posting lists
C 610Updated: 2 y ago License: Proprietary (Proprietary)
610Updated: 2 y ago License: Proprietary (Proprietary)Support
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pastecby magwyz
Image recognition open source index and search engine
C++ 608Updated: 4 y ago License: Weak Copyleft (LGPL-3.0)
608Updated: 4 y ago License: Weak Copyleft (LGPL-3.0)Support
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quarkby OpenGenus
Stay happy while offline | World's first offline search engine.
C++ 604Updated: 2 y ago License: Strong Copyleft (GPL-3.0)
604Updated: 2 y ago License: Strong Copyleft (GPL-3.0)Support
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ghostHunterby jamwise
A Ghost blog search engine
JavaScript 603Updated: 2 y ago License: Permissive (MIT)
603Updated: 2 y ago License: Permissive (MIT)Support
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r
rank_bm25by dorianbrown
A Collection of BM25 Algorithms in Python
Python 597Updated: 2 y ago License: Permissive (Apache-2.0)
597Updated: 2 y ago License: Permissive (Apache-2.0)Support
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ghostHunterby jamalneufeld
A Ghost blog search engine
JavaScript 589Updated: 4 y ago License: Permissive (MIT)
589Updated: 4 y ago License: Permissive (MIT)Support
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c
cassandra-lucene-indexby Stratio
Lucene based secondary indexes for Cassandra
Java 587Updated: 4 y ago License: Permissive (Apache-2.0)
587Updated: 4 y ago License: Permissive (Apache-2.0)Support
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FileMastaby ohhsodead
A search application to explore, discover and share online files
C# 583Updated: 4 y ago License: Proprietary (Proprietary)
583Updated: 4 y ago License: Proprietary (Proprietary)Support
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GitPreyby repoog
Searching sensitive files and contents in GitHub associated to company name or other key words
Python 578Updated: 2 y ago License: Strong Copyleft (GPL-3.0)
578Updated: 2 y ago License: Strong Copyleft (GPL-3.0)Support
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librexby hnhx
Framework and javascript free privacy respecting meta search engine
PHP 578Updated: 2 y ago License: Strong Copyleft (AGPL-3.0)
578Updated: 2 y ago License: Strong Copyleft (AGPL-3.0)Support
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instantsearch-iosby algolia
⚡️ A library of widgets and helpers to build instant-search applications on iOS.
Swift 576Updated: 2 y ago License: Permissive (Apache-2.0)
576Updated: 2 y ago License: Permissive (Apache-2.0)Support
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s
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resinby kreeben
Vector space search engine. Available as a HTTP service or as an embedded library.
C# 557Updated: 2 y ago License: Permissive (MIT)
557Updated: 2 y ago License: Permissive (MIT)Support
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FindFrontableDomainsby rvrsh3ll
Search for potential frontable domains
Python 552Updated: 2 y ago License: Permissive (BSD-3-Clause)
552Updated: 2 y ago License: Permissive (BSD-3-Clause)Support
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n
nzbhydraby theotherp
Meta search for NZB indexers
Python 547Updated: 4 y ago License: Proprietary (Proprietary)
547Updated: 4 y ago License: Proprietary (Proprietary)Support
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F
Ferretby argusdusty
An optimized substring search engine written in Go
Go 534Updated: 4 y ago License: Permissive (Apache-2.0)
534Updated: 4 y ago License: Permissive (Apache-2.0)Support
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Laravel-Searchyby TomLingham
Unmaintained: Laravel Searchy makes user driven searching easy with fuzzy search, basic string matching and more to come!
PHP 527Updated: 4 y ago License: Permissive (MIT)
527Updated: 4 y ago License: Permissive (MIT)Support
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nsgby ZJULearning
Navigating Spreading-out Graph For Approximate Nearest Neighbor Search
C++ 522Updated: 2 y ago License: Permissive (MIT)
522Updated: 2 y ago License: Permissive (MIT)Support
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P
PinyinSearchLibraryby handsomezhou
Provide data analysis methods, data matching method and so on for T9 pinyin search and Qwerty pinyin search in Java. The project demonstrates contacts search and app search on android.
Java 518Updated: 2 y ago License: Permissive (Apache-2.0)
518Updated: 2 y ago License: Permissive (Apache-2.0)Support
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