34 projects
Elasticsearch
Elasticsearch is a distributed, RESTful search and analytics engine capable of addressing a growing number of use cases. As the heart of the Elastic Stack, it centrally stores data for lightning fast search, fine‑tuned relevancy, and powerful analytics.
18,290
3,604
$193M
OpenSearch
The purpose of the OpenSearch Software Foundation is to raise, budget and spend funds in support of various open source, open data and/or open standards projects relating to open source search and analysis solutions.
14,731
1,899
$577M
ripgrep
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
2,978
997
$1.7M
PnP Modern Search Solution
Home of PnP Modern Search solutions, helping you move from classic to modern SharePoint and beyond
1,965
44
$1.3M
Meilisearch
Meilisearch is an open-source search engine that provides fast, relevant, and typo-tolerant full-text search capabilities. It is designed to be easy to integrate into applications and offers features like instant search results, custom ranking rules, and faceted search.
1,675
470
$7.1M
Typesense
Typesense is an open source search engine that provides fast, typo-tolerant search functionality with instant search experiences and auto-complete suggestions. It is designed to be easy to use, run, and scale, offering features like faceted search, geo search, and numerical search with millisecond response times.
1,667
408
$7.2M
ElasticSuite
Smile ElasticSuite - Magento 2 merchandising and search engine built on ElasticSearch
1,586
154
$2.9M
Searchkick
Intelligent search made easy
1,438
423
$353K
Apache Lucene
Apache Lucene is a high-performance, full-featured text search engine library written in Java. It provides indexing and search technology, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities.
1,264
173
$40M
Fuse.js
Fuse.js is a lightweight fuzzy-search library that enables powerful searching with approximate string matching and ranking in JavaScript. It allows developers to search through lists and find items even when there are spelling mistakes or partial matches.
1,168
391
$301K
RavenDB
RavenDB is a NoSQL document database that provides a flexible, schema-free data model with ACID transaction support, automatic indexing, and full-text search capabilities. It offers high availability through distributed clustering, multi-document transactions, and built-in data replication features.
1,131
153
$129M
RediSearch
A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.
1,108
195
$12M
Apache Solr
Apache Solr is an open-source enterprise search platform built on Apache Lucene. It provides distributed indexing, replication, load-balanced querying, automated failover and recovery, centralized configuration, and full-text search capabilities. Solr powers the search and navigation features of many large-scale internet sites.
988
134
$57M
Apache Solr for TYPO3 CMS
A TYPO3 extension that integrates the Apache Solr search server with TYPO3 CMS. dkd Internet Service GmbH is developing the extension. Community contributions are welcome. See CONTRIBUTING.md for details.
881
100
$4.3M
Manticore Search
Easy to use open source fast database for search | Good alternative to Elasticsearch now | Drop-in replacement for E in the ELK soon
877
115
$23M
Openverse
Openverse is a search engine and API for openly-licensed media, including images, audio, and other creative content. It enables users to discover and reuse free-to-use content from various sources across the internet while respecting attribution and licensing requirements.
770
88
$17M
Vespa
Vespa is an open source big data serving engine that enables storing, searching, ranking and organizing structured content at large scale. It provides real-time processing, advanced search capabilities, and machine learning-powered ranking for applications requiring low latency access to large datasets.
767
116
$71M
CourtListener
A fully-searchable and accessible archive of court data including growing repositories of opinions, oral arguments, judges, judicial financial records, and federal filings.
505
80
$19M
VuFind
VuFind is an open-source library resource portal and discovery layer that allows users to search and browse through a library's collection of books, journals, and other materials. It provides faceted searching, record viewing, and integration with various library systems.
460
65
$19M
Aleph
Search and browse documents and data; find the people and companies you look for.
352
80
$4M
ugrep
🔍 ugrep 7.2 file pattern searcher -- a more powerful, ultra fast, user-friendly, compatible grep replacement. Includes a TUI, Google-like Boolean search with AND/OR/NOT, fuzzy search, hexdumps, searches (nested) archives (zip, 7z, tar, pax, cpio), compressed files (gz, Z, bz2, lzma, xz, lz4, zstd, brotli), pdfs, docs, and more
299
82
$3.8M
Groonga
Groonga is a high-performance, open-source full-text search engine and column store database. It features fast full-text search capabilities, supports multiple languages and encodings, and can be embedded into other applications or used as a standalone database server.
198
63
$32M
Hibernate Search
Hibernate Search: full-text search for domain model
195
40
$18M
Datashare
A self-hosted search engine for documents.
159
40
$1.5M
NNTmux
NNTmux is a Usenet indexing application forked from Newznab, designed to help users search, browse and manage Usenet content. It provides features for indexing newsgroups, managing NZB files, and integrating with various Usenet services.
144
16
$4.8M
FTS Xapian
Dovecot FTS plugin based on Xapian
142
30
$103K
Stroom
Stroom is a highly scalable data storage, processing and analysis platform.
68
8
$50M
Anserini
Anserini is a Lucene toolkit for reproducible information retrieval research
Apache Lucene and Solr
Apache Lucene and Solr open-source search software
Mroonga
A MySQL pluggable storage engine based on Groonga
OpenGrok
OpenGrok is a fast and usable source code search and cross reference engine, written in Java
Sourcegraph
Code AI platform with Code Search & Cody
Uwazi
Uwazi is a web-based, open-source solution for building and sharing document collections