Duckdb Embedding Search alternatives for AI agents.

[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"

Retrieval and Retrieval-augmented LLMs

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

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

The AI search platform

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

Privacy-respecting metasearch engine

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

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.

Free and Open Source, Distributed, RESTful Search Engine

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

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

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

🔎 Open source distributed and RESTful search engine.