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Best RAG Tools

RAG (retrieval-augmented generation) connects your documents and data to LLMs. Browse frameworks and platforms below, then compare top picks for stack fit.

Open compare table Related: Best LLM Chat Tools · Best Coding Agent Tools · Best Open Source AI Tools · Best AI Automation Tools

Top tools

450 tools · sorted by quality

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flexible-graphrag

Python, LlamaIndex, LangChain, 15 Property Graph, 4 RDF , 10 Vector, OpenSearch, Elasticsearch, Alfresco, Nuxeo DBs. 14 data sources (10 aut...

Score 91 GitHub stars 188 Open source
ts-odd

An SDK for building apps with decentralized identity and storage.

Score 91 GitHub stars 182 Open source
chunky

Open-source toolkit for reliable RAG pipelines: convert PDFs to Markdown, clean documents, inspect chunks, compare chunking strategies, and...

Score 91 GitHub stars 180 Open source
Starcat

A native macOS app that turns GitHub Stars into a searchable, organized, AI-powered personal knowledge base.

Score 91 GitHub stars 180 Open source
nanzi-ai-agent-platform

🚀 开源企业级多智能体平台与 ChatBI 数据洞察平台。支持多 Agent 协作、RAG 知识增强、物理数据源直连与安全沙箱执行、Redis 长期记忆引擎,并集成多...

Score 91 GitHub stars 178 Open source
rapidfireai

RapidFire AI: Rapid AI Customization from RAG to Fine-Tuning

Score 91 GitHub stars 170 Open source
llm-wiki-newsroom

Harness engineering applied to knowledge production: a self-evolving multi-agent newsroom that turns your documents into a cross-linked mark...

Score 91 GitHub stars 165 Open source
OpenYoink

A free, open-source macOS drag-and-drop shelf and Dynamic Island for files, images, text and links. Built with SwiftUI + AppKit.

Score 91 GitHub stars 164 Open source
LiveRecall

Welcome to **LiveRecall**, the open-source alternative to Microsoft's Recall. LiveRecall captures snapshots of your screen and allows you to...

Score 91 GitHub stars 164 Open source
ultimate_mcp_server

Comprehensive MCP server exposing dozens of capabilities to AI agents: multi-provider LLM delegation, browser automation, document processin...

Score 91 GitHub stars 158 Open source
echoes-vault-opencode

Persistent memory plugin for OpenCode. Obsidian-style knowledge base that survives across sessions

Score 91 GitHub stars 157 Open source
rag-interview-system

A complete collection of RAG interview questions, answers (1297 questions & 52 RAG types), system design scenarios, architecture patterns, a...

Score 91 GitHub stars 156 Open source
mnemo-cortex

Open-source cognitive coprocessor with active memory for AI agents — persistent recall, semantic search, overnight dreaming, verified facts,...

Score 91 GitHub stars 155 Open source
arbor

Graph-native code intelligence that replaces embedding-based RAG with deterministic program understanding.

Score 91 GitHub stars 154 Open source
docmind-ai-llm

DocMind AI is a powerful, open-source Streamlit application leveraging LlamaIndex, LangGraph, and local Large Language Models (LLMs) via Oll...

Score 91 GitHub stars 153 Open source
self-hosted-ai-stack

Deploy a complete self-hosted AI stack with Docker Compose: Ollama, LiteLLM, AnythingLLM, Whisper, WhisperLive, Kokoro, Embeddings, Docling...

Score 91 GitHub stars 153 Open source
azure-openai-rag-workshop

Create your own ChatGPT with Retrieval-Augmented-Generation workshop

Score 91 GitHub stars 152 Open source
knowledge-base-content

Open-source knowledge base covering topics about developer experience.

Score 91 GitHub stars 152 Open source
holdem

Holdem is a lightweight, open-source tool for effortlessly dragging and organizing files on your desktop. Inspired by Dropover and built wit...

Score 91 GitHub stars 152 Open source
pragma

Build portable agent teams across models and harnesses, with shared memory, skills, tools, and workflows — then bring them into Codex, Claud...

Score 91 GitHub stars 145 Open source
spring-ai-playground

Safe local execution layer for AI agent tools. Build and test-run MCP tools (no pass, no run), serve them from a built-in MCP server, and us...

Score 91 GitHub stars 140 Open source
pdf-mcp

MCP server that lets Claude Code and other AI agents read and search large PDFs, one file or a whole folder: agentic RAG with hybrid semanti...

Score 91 GitHub stars 139 Open source
neurolink

The pipe layer of an AI nervous system — one interface connecting provider neurons to your application, across three inference types: genera...

Score 91 GitHub stars 139 Open source
vellium

Local-first desktop AI workbench for roleplay, multi-character chat, long-form writing, RAG, MCP tools, plugins, and local models.

Score 91 GitHub stars 134 Open source
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