A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
- search-engine
- typo-tolerance
- site-search
- database
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An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.
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-engine
- search
- typo-tolerance
- site-search
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
- semantic-search
- semantic-search-engine
- vector-search
A lightweight, lightning-fast, in-process vector database
- rag
- agent-skills
- embedded
- faiss
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
- sparse-vector
- hybrid-search
- bm25
- full-text-search
A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.
- redis
- redis-module
- search
- search-engine
Go Open Source, Distributed, Simple and fastest efficient text/vector Search Engine
- go
- golang
- search-engine
- search
The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.
- mysql
- embedded-database
- ai-agents
- copy-on-write
🔍 Tiny, full-text search engine for static websites built with Rust and Wasm
- bloom-filter
- static-site
- search-engine
- wasm
🧠 AI-powered enterprise search engine 🔎
- ai
- search-engine
- workplace-search
- enterprise-search
🔎 Impossibly fast web search, made for static sites.
- rust
- wasm
- search
- jamstack
Search engine aggregator with a comprehensive plugin/extension system
- aggregator
- degoogle
- degoogle-your-life
- degoogling
Apache Lucene.NET is an open-source full-text search library written in C#, ported from the Apache Lucene project.
- lucenenet
- lucene
- text
- search
Internet search engine for text-oriented websites. Indexing the small, old and weird web.
- search-engine
- no-cloud
- small-web
- internet-search
JS Search is an efficient, client-side search library for JavaScript and JSON objects
- search
- database
- indexing
- performance
A full-text search and indexing server written in Rust.
- grpc
- rust
- search-engine
- gossip-protocol
Diskover Community Edition - Open source file indexer, file search engine and data management and analytics powered by Elasticsearch
- python
- elasticsearch
- crawler
- filesystem-visualization
Elassandra = Elasticsearch + Apache Cassandra
- cassandra
- elasticsearch
- search
- completion
A persistent, network resilient, full text search library for the browser and Node.js
- search
- nlp
- offline-first
Lightning-fast file system indexer and search tool
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
- java
- elasticsearch
- full-text-search
- lucene
Embeddable, in-memory, document-oriented database with a high-level Query builder interface.
- database
- embedable
- go
- in-memory
A Modern C++ Data Sciences Toolkit
- nlp
- nlp-parsing
- search-engine
- inverted-index