Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

Easy to use open source fast database for search | Good alternative to Elasticsearch now | Drop-in replacement for E in the ELK stack

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

1st Place Solution for CrowdFlower Product Search Results Relevance Competition on Kaggle.

DeepRec is a high-performance recommendation deep learning framework based on TensorFlow. It is hosted in incubation in LF AI & Data Foundation.

PISA: Performant Indexes and Search for Academia

A @ClickHouse fork that supports high-performance vector search and full-text search.

Open Sketch Search Engine－ 3D object retrieval based on sketch image as input

Epsilla is a high performance Vector Database Management System

A Modern C++ Data Sciences Toolkit

Stay happy while offline | World's first offline search engine.

一款简单好用的 跨平台/多语言的 相似向量/相似词/相似句 高性能检索引擎。欢迎star & fork。Build together! Power another !

A signature-based search engine

Xapiand: A RESTful Search Engine

Full text search engine powering Alexandria.org - the open search engine.

IResearch is a cross-platform, high-performance search analytics library written entirely in C++ with the focus on a pluggability of different ranking/similarity models

Search Formula-1——A distributed high performance massive data engine for enterprise/vertical search

Privacy Web Search Engine (not meta, own crawler)

This search engine leverages the Boost library for efficient document search, featuring data preprocessing, index creation, and advanced search functionalities. It uses C++, HTML, CSS, and JavaScript, enhancing access to Boost technical documents for developers.