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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

458 tools · sorted by quality

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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
yu-ai-learn

2026 年编程导航 AI 编程实战新项目,基于 Taro + React + FastAPI + DeepSeek 的 AI 闯关学习小程序,支持一句话 / 文本主题 AI 出题、闯关答题与即...

Score 91 GitHub stars 132 Open source
MaxKB4j

MaxKB4j is an open-source LLMOps platform for LLM workflow applications and RAG developed based on the Java language. The project mainly dra...

Score 91 GitHub stars 129 Open source
OmniKey-AI-Unified-Key-Manager

A self-hosted LLM proxy and failover gateway supporting OpenAI & Gemini compatible endpoints. Routes requests dynamically across 12+ LLM pla...

Score 91 GitHub stars 129 Open source
legend-of-elya-n64

Legend of Elya — N64 game with a real 6.36M-parameter ternary transformer on the VR4300 MIPS III CPU. Zelda-style dungeon, AI NPCs, byte-lev...

Score 91 GitHub stars 129 Open source
brick-SR1

brick is a smart AI Models router, based on complexity & capabilities extraction from the query to the models via proprietary spatial embedd...

Score 91 GitHub stars 127 Open source
hands-on-llm

动手学大模型全栈:CS336 中文精讲 · PyTorch 手搓 Transformer · 单卡复现 Pretrain/SFT/LoRA/DPO/GRPO/RLVR · PEFT/Agent/RAG 落地(含真实实验、曲...

Score 90 GitHub stars 125 Open source
langchain-coder

Web Application that can generate code and fix bugs and run using various LLM's (GPT,Gemini,PALM)

Score 90 GitHub stars 125 Open source
langchain-mongodb

Integrations between MongoDB, Atlas, LangChain, and LangGraph

Score 90 GitHub stars 124 Open source
ObsidianRAG

Ask questions about your Obsidian notes using local AI. Privacy-first RAG with Ollama, LM Studio, or any OpenAI-compatible server. Obsidian...

Score 90 GitHub stars 121 Open source
novel-studio

开源、本地优先的 AI 长篇小说创作引擎:多智能体世界推演、按弧规划、RAG 长程记忆、逐章审核与断点恢复 | Open-source AI novel generator for long...

Score 90 GitHub stars 120 Open source
mentedb

A cognition aware database engine for AI agent memory. Purpose built in Rust with WAL, HNSW, knowledge graphs, and speculative context pre a...

Score 90 GitHub stars 118 Open source
webmcp-sdk

OpenTiny NEXT-SDKs is a front-end AI and browser automation toolkit. It implements WebMCP + WebSkills to build AI-native apps, and leverages...

Score 90 GitHub stars 118 Open source
anvil

CLI to streamline config management and tool installation. Install your full dev tool-chain in one command and sync configurations across ma...

Score 90 GitHub stars 117 Open source
WinMice

Windows-style autoscroll (middle-click vector scrolling) and back/forward mouse side buttons for macOS. Tiny native Swift menu-bar app, abou...

Score 90 GitHub stars 116 Open source
apple-rag-mcp

 MCP server providing AI agents with instant access to Apple developer documentation via RAG

Score 90 GitHub stars 116 Open source
frago

Multi-runtime automation infrastructure for AI agents. Native CDP browser control, metadata-driven Recipe system, and persistent Run context...

Score 90 GitHub stars 115 Open source
ai-agent-platform

企业级 AI Agent 平台 | Spring Boot 3 + LangChain4j | ReAct 推理 + 多路召回 RAG + 语义缓存 + 多智能体协作

Score 90 GitHub stars 115 Open source
gno

Local AI-powered document search and editing with first-in-class hybrid retrieval, LLM answers, WebUI, REST API and MCP support for AI clien...

Score 90 GitHub stars 114 Open source
model-compose

Deploy production-ready AI services in minutes. One YAML file for agents, RAG pipelines, and MCP servers — run anywhere. Inspired by docker-...

Score 90 GitHub stars 113 Open source
supercov

Code quality and coverage for coding agents

Score 90 GitHub stars 108 Open source
LLM-Assisted-Light

This repository contains the code for the paper "LLM-Assisted Light: Leveraging Large Language Model Capabilities for Human-Mimetic Traffic...

Score 90 GitHub stars 106 Open source
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