Elasticsearch

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Elasticsearch

Original author(s)	Shay Banon
Developer(s)	Elastic NV
Initial release	8 February 2010; 14 years ago (2010-02-08)
Stable release	8.x 8.15.0 / 2 August 2024; 3 months ago (2024-08-02)[1] 7.x 7.17.21 / 2 May 2024; 6 months ago (2024-05-02)[1]
Repository	github.com/elastic/elasticsearch
Written in	Java
Operating system	Cross-platform
Type	Search and index
License	Triple-licensed Elastic License (proprietary; source-available), Server Side Public License (proprietary; source-available) and Affero General Public License (free and open-source)
Website	www.elastic.co/elasticsearch/

Elasticsearch is a search engine based on Apache Lucene. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Official clients are available in Java,^[2] .NET^[3] (C#), PHP,^[4] Python,^[5] Ruby^[6] and many other languages.^[7] According to the DB-Engines ranking, Elasticsearch is the most popular enterprise search engine.^[8]