search-engine

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloudhttps://cloud.qdrant.io/

search search-engine machine-learning neural-network nearest-neighbor-search image-search recommender-system search-engines similarity-search ai-search knn-algorithm mlops hnsw vector-search vector-database neural-search vector-search-engine embeddings-similarity ai-search-engine

UpdatedMar 19, 2025
Rust

typesense /typesense

Sponsor

Star22.4k

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

search search-engine elasticsearch algolia fuzzy-search synonyms in-memory full-text-search datastore instantsearch semantic-search merchandising enterprise-search similarity-search geosearch pinecone typo-tolerance site-search faceting vector-search

UpdatedMar 14, 2025
C++

ItzCrazyKns /Perplexica

Star20.7k

Perplexica is an AI-powered search engine. It is an Open source alternative to Perplexity AI

search-engine machine-learning artificial-intelligence searxng ai-search-engine perplexity-ai open-source-perplexity-ai open-source-ai-search-engine perplexica searxng-copilot

UpdatedMar 20, 2025
TypeScript

valeriansaliou /sonic

Sponsor

Star20.6k

🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.

search infrastructure rust search-engine database server backend graph index search-server

UpdatedJan 6, 2025
Rust

dailydotdev /daily

Star19.3k

daily.dev is a professional network for developers to learn, collaborate, and grow together 👩🏽‍💻 👨‍💻

chrome-extension search-engine community pwa ai firefox-addon social-network webapp developer-tools developer-portal edge-extension professional-networking

UpdatedNov 8, 2024

searx /searx

Star13.4k

Privacy-respecting metasearch engine

python search search-engine metasearch metasearch-engine

UpdatedSep 7, 2023
Python

quickwit-oss /tantivy

Star12.9k

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

rust search-engine

UpdatedMar 14, 2025
Rust

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.

search-engine information-retrieval grpc nearest-neighbor-search semantic-search-engine image-search recommender-system vectors approximate-nearest-neighbor-search semantic-search similarity-search mlops hnsw weaviate vector-search vector-database neural-search vector-search-engine hybrid-search generative-search

UpdatedMar 20, 2025
Go

nextapps-de /flexsearch

Star12.8k

Next-Generation full text search library for Browser and Node.js

nodejs javascript search open-source search-engine elasticsearch web search-in-text fuzzy-search standalone web-worker javascript-library fuzzy full-text-search node-module search-algorithm searching-algorithms fulltext-search searching

UpdatedMar 19, 2025
JavaScript

PaddlePaddle /PaddleNLP

Star12.4k

👑 Easy-to-use and powerful NLP and LLM library with 🤗 Awesome model zoo, supporting wide-range of NLP tasks from research to industrial applications, including 🗂Text Classification, 🔍 Neural Search, ❓ Question Answering, ℹ️ Information Extraction, 📄 Document Intelligence, 💌 Sentiment Analysis etc.

nlp search-engine compression sentiment-analysis transformers information-extraction question-answering llama pretrained-models embedding bert semantic-analysis distributed-training ernie neural-search uie document-intelligence paddlenlp llm

UpdatedMar 20, 2025
Python

neuml /txtai

Star10.6k

💡 All-in-one open-source embeddings database for semantic search, LLM orchestration and language model workflows

python search nlp search-engine machine-learning information-retrieval ai transformers embeddings artificial-intelligence language-model semantic-search sentence-embeddings rag vector-search vector-database txtai large-language-models llm retrieval-augmented-generation

UpdatedMar 14, 2025
Python

benbusby /whoogle-search

Sponsor

Star10.6k

A self-hosted, ad-free, privacy-respecting metasearch engine

python heroku search docker search-engine flask privacy adblock metasearch metasearch-engine easy-deploy

UpdatedMar 10, 2025
Python

opensearch-project /OpenSearch

Star10.4k

🔎 Open source distributed and RESTful search engine.

search java search-engine analytics foss apache2

UpdatedMar 19, 2025
Java

manticoresoftware /manticoresearch

Sponsor

Star9.8k

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

mysql search api search-engine json sql database cpp full-text-search hacktoberfest sphinxsearch bm25 search-api search-server stream-filtering

UpdatedMar 19, 2025
C++

quickwit-oss /quickwit

Star9.8k

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

rust open-source search-engine big-data logs cloud-storage cloud-native log-management distributed-tracing tantivy

UpdatedMar 19, 2025
Rust

oramasearch /orama

Sponsor

Star9.2k

🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

javascript search search-engine node typescript vector data-structures full-text search-algorithm typo-tolerance vector-search vector-database vector-search-engine algiorithm vector-database-embedding