Free and Open Source, Distributed, RESTful Search Engine

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Vane is an AI-powered answering engine.

SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

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

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

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

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​.

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

A lightweight, lightning-fast, in-process vector database

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

🔎 Open source distributed and RESTful search engine.

Privacy-respecting metasearch engine

Easy-to-use and powerful LLM and SLM library with awesome model zoo.

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK!

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

Cloud-native OSS search engine for observability

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.