Open-source alternatives to Elassandra

Lunr-core is a small, full text search library for use in small applications. It's a .NET port of LUNR.js.

Bleve is a search indexing engine library written in Go, designed to provide full-text search and document retrieval capabilities for embedded application data. It functions as a framework for indexing structured or unstructured information, allowing developers to build searchable collections that support complex query logic and data analysis. The engine distinguishes itself through a pluggable analysis pipeline that normalizes text before indexing, alongside support for vector similarity search to identify semantically related content. It utilizes finite-state transducer automata for efficie

CakeDC SearchFilter Plugin for CakePHP

Use Elastic Search as an alternative ORM backend in CakePHP 5.2+.

convert sql to elasticsearch DSL in golang(go)

Make tagging of entities a piece of cake.

Django Haystack is a search abstraction layer and framework for integrating full-text search into Django applications. It provides a unified interface for defining search schemas and managing how data models are indexed and stored across different search engines. The framework acts as a modular backend wrapper, allowing applications to switch between interchangeable search providers without rewriting core search logic. It standardizes interactions with external engines through a decoupled provider layer, facilitating search engine migration by changing configuration settings. The system cove

Pysolr — Python Solr client

Elasticsearch is a distributed search engine and document store designed for the high-performance indexing and retrieval of massive volumes of unstructured data. It functions as a centralized analytics platform, providing a schema-flexible architecture that organizes information into searchable indices while maintaining global cluster state through a distributed consensus mechanism. The platform distinguishes itself through its integrated approach to observability, security, and advanced analytics. It combines full-text, vector, and hybrid search capabilities with machine learning-driven insi

AWS Cloud Plugin for Elasticsearch

This project is a Node.js client and database driver for Elasticsearch. It acts as a REST API wrapper that translates JavaScript method calls into HTTP requests to index, search, and manage documents within a distributed search and analytics engine. The library provides a programmatic interface for cluster management and data integration. It includes tools for discovering cluster nodes and managing indices to maintain connection stability and organize data storage. The client covers a broad range of operations, including document lifecycle management for CRUD actions, search query execution,

In the next months this client will be deprecated, so you should start migrating your codebase as soon as possible. We have built a migration guide that will help you move to the new client quickly, and if you have questions or need help, please open an issue.

This project is a programmatic client for managing the lifecycle of documents within a distributed JSON search engine. It provides an Elasticsearch search client for indexing documents and performing complex queries, alongside a low-level client that acts as a flexible wrapper for sending raw HTTP requests to a cluster. The client features a fluent request builder that maps typed requests to REST API endpoints and a generic mapping layer to transform JSON responses into strongly typed objects. It employs a pluggable serialization mechanism to decouple the request-response lifecycle from speci

This project is a software development kit and cluster management tool for PHP. It serves as a full-text search SDK and vector search interface, enabling applications to perform lexical, fuzzy, and semantic searches against indexed data. The library implements a PSR 7 HTTP client to ensure cross-environment compatibility through standardized messaging interfaces. It provides a specialized interface for retrieving embeddings and performing semantic retrieval workflows using vector data. Its capability surface covers a wide range of administrative and operational tasks, including search index

elasticsearch-py is a distributed search API wrapper and cluster administrator. It serves as a secure connector for executing search queries and performing administration tasks against a search engine. The library provides a high-level interface for managing indices, documents, and node connections. It enables encrypted data transmission and authenticated communication with a search cluster. The project covers full-text search, data management, and cluster administration. It includes capabilities for managing document data, implementing complex search queries, and maintaining reliable commun

Elasticsearch integrations for ActiveModel/Record and Ruby on Rails

The official Go client for Elasticsearch

Search provides a simple interface to create paginate-able filters for your CakePHP application.

Riot is a Go-based distributed search engine and indexing server designed for full-text indexing and retrieval. It functions as a retrieval system that sorts documents by relevance using BM25 ranking algorithms, term frequency, and inverse document frequency. The engine provides specialized support for the Chinese language, featuring concurrent text segmentation and phonetic Pinyin mapping to match romanized input with characters. It utilizes a distributed architecture that employs hash-based index sharding to balance data load and throughput across multiple server nodes. The system covers a

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Simple full text indexing and searching library for Java

Search everything, instantly.

JDBC importer for Elasticsearch THIS REPOSITORY WILL BE DELETED WITHOUT ANY FURTHER NOTICE AFTER AUG 1 2026

ZoneTree.FullTextSearch is an open-source library that extends ZoneTree to provide efficient full-text search capabilities. It offers a fast, embedded search engine suitable for applications that require high performance and do not rely on external databases.