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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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ODS

Turn your PC, Mac, or Linux box into an AI server. LLM inference, chat UI, voice, agents, workflows, RAG, and image generation.

Score 99 GitHub stars 6,737 Open source
FalkorDB

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the b...

Score 99 GitHub stars 6,241 Open source
OpenCursor

Open-source Cursor-like AI coding agent for VS Code — agentic chat, multi-provider LLMs (OpenAI, Ollama, llama.cpp), semantic search, and MC...

Score 99 GitHub stars 6,015 Open source
openpencil

The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams. Design-as-Code. Turn prompts int...

Score 99 GitHub stars 6,001 Open source
ruoyi-ai

Enterprise-grade AI agent framework with multi-provider LLM management, secure knowledge bases and high-precision RAG, visual workflow orche...

Score 99 GitHub stars 5,722 Open source
UltraRAG

A Low-Code MCP Framework for Building Complex and Innovative RAG Pipelines

Score 99 GitHub stars 5,707 Open source
openagent

⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: h...

Score 99 GitHub stars 5,641 Open source
code-graph-rag

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

Score 99 GitHub stars 5,177 Open source
AutoRAG

AutoRAG: Now your agent can find anything in your computer. It gets smarter if you are using it frequently.

Score 99 GitHub stars 5,108 Open source
Kiln

Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and...

Score 99 GitHub stars 5,077 Open source
text-embeddings-inference

A blazing fast inference solution for text embeddings models

Score 99 GitHub stars 5,061 Open source
ai-agents-from-zero

🚀 2026 最系统的 AI Agent 速成指南|智能体实战教程 · 完整学习路径 + 实战项目 + 面试题库 · 对标大模型应用开发工程师岗位 · 覆盖LangChain / La...

Score 98 GitHub stars 4,836 Open source
chonkie

🦛 CHONK docs with Chonkie ✨ — The lightweight ingestion library for fast, efficient and robust RAG pipelines

Score 98 GitHub stars 4,758 Open source
infinity

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vec...

Score 98 GitHub stars 4,713 Open source
53AIHub

53AI Hub is an open-source AI portal and knowledge base for managing enterprise knowledge, AI agents, prompts, and AI tools, seamlessly inte...

Score 98 GitHub stars 4,658 Open source
FrontierAgent

🧩 FrontierAgent, our agent framework, open-sourced alongside it — native command-line TUI, ReAct and Agent Team modes, one command on macOS...

Score 98 GitHub stars 4,570 Open source
memgraph

High-performance open-source in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time graph analytics. Cypher-compatible,...

Score 98 GitHub stars 4,579 Open source
RuVector

RuVector is a High Performance, Real-Time, Self-Learning Ai, Vector GNN, Memory DB built in Rust.

Score 98 GitHub stars 4,474 Open source
agentic-rag-for-dummies

A modular Agentic RAG built with LangGraph — learn Retrieval-Augmented Generation Agents in minutes.

Score 98 GitHub stars 4,200 Open source
ragent

企业级 Agentic RAG 智能体 - 全链路覆盖文档解析、多路检索、意图识别、问题重写、会话记忆、MCP 工具调用与深度思考。面向真实业务场景,从 0 到 1...

Score 98 GitHub stars 4,047 Open source
atmosphere

Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming...

Score 98 GitHub stars 3,815 Open source
morphik-core

Open-source multimodal retrieval engine (Morphik Core)

Score 98 GitHub stars 3,711 Open source
mirage

The World's First Virtual Terminal for AI Agents

Score 98 GitHub stars 3,654 Open source
FlashRAG

⚡FlashRAG: A Python Toolkit for Efficient RAG Research (WWW2025 Resource)

Score 98 GitHub stars 3,578 Open source
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