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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

480 tools · sorted by quality

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agent-tackle-box

A toolkit for developing AI agents, including agent-debugger: Terminal debugger for LangGraph & LangChain agents. Debug LLM agents with stat...

Score 89 GitHub stars 52 Open source
aiope

AIOPE — 70-tool on-device AI agent for Android. Linux terminal, realtime voice, browser automation, SSH, on-device RAG, dynamic UI, MCP. BYO...

Score 89 GitHub stars 52 Open source
llm-wiki-template

A reusable template for building personal LLM-maintained knowledge bases. Implements Karpathy's LLM Wiki pattern.

Score 89 GitHub stars 52 Open source
MediGenius

AI-powered multi-agent medical assistant with a deterministic safety layer — crisis detection, refused-topic hard-stops, dosage grounding, a...

Score 89 GitHub stars 51 Open source
onenote-mcp-server

Complete OneNote MCP Server for Claude Desktop - Access your entire OneNote knowledge base through AI with robust authentication and full AP...

Score 89 GitHub stars 51 Open source
Dingent

A lightweight, user-friendly LLM Agent framework focused on simplifying data retrieval application development.

Score 88 GitHub stars 50 Open source
ask-ripeseed

An AI Assistant to answer user queries based on your own knowledge base!

Score 88 GitHub stars 50 Open source
Kaimon.jl

MCP server giving AI agents full access to Julia's runtime via a live Gate — code execution, introspection, debugging, testing, and semantic...

Score 88 GitHub stars 50 Open source
RAG-LangChain-AI-System

🧠 A production-grade, agentic RAG platform for portfolio intelligence, combining LangChain, Chroma/FAISS, Hugging Face embeddings, and Olla...

Score 88 GitHub stars 50 Open source
agent-dispatcher

Repository retrieval and context engine for Claude Code and Codex: finds relevant code, reuses project knowledge, and pairs each task with s...

Score 88 GitHub stars 50 Open source
Rapid-Inbox

Self-hosted inbound email infrastructure with a high-performance C++ SMTP ingestion engine, local storage, and developer APIs.

Score 88 GitHub stars 50 Open source
openlivery

Open-source, white-label AI agent platform for agencies to deploy and manage branded WhatsApp agents across client accounts, with human hand...

Score 88 GitHub stars 49 Open source
EviNoteRAG

[EMNLP26] Welcome! 😊 This is the official code release of EviNote-RAG, and we’re happy to share it with the community.

Score 88 GitHub stars 48 Open source
modelship

Self-hosted, OpenAI-compatible inference for the agentic era: reasoning LLMs, universal tool calling, and the Responses API alongside embedd...

Score 88 GitHub stars 48 Open source
automatos-ai

Automatos AI: Open-source platform for advanced context engineering and multi-agent orchestration in enterprise automation. Built on frontie...

Score 88 GitHub stars 46 Open source
vyact

Vyact is an open-source, local-first personal AI workspace for llama.cpp, RAG, AI agents, document intelligence, and Google Workspace.

Score 88 GitHub stars 46 Open source
llm_cost_tracker

Rails-native LLM cost ledger: track spend by provider, model, and feature with self-hosted storage and budget guardrails.

Score 88 GitHub stars 44 Open source
dsh-knowledge

Knowledge base & RAG plugin for DeepSeek Harness (DSH): chunking, local embeddings, hybrid search, management panel

Score 88 GitHub stars 44 Open source
asteria-agent

Local-first AI research assistant: plans sub-queries, searches the web, and writes fully cited reports. LangChain + LangGraph multi-agent +...

Score 88 GitHub stars 43 Open source
skills

Curated, trusted open catalog of AI agent skills for OpenClaw, Claude Code, Codex, GitHub Copilot, Gemini, Cursor, MCP, LangChain, and more....

Score 88 GitHub stars 42 Open source
PaperSage

📚 AI-powered research reading workbench. Project-based paper Q&A with Hybrid RAG, multi-agent workflows (ReAct/Plan-Act/RePlan), long-term...

Score 88 GitHub stars 38 Open source
TrialMatchAI

TrialMatchAI leverages large language models to streamline clinical trial matching by evaluating patient-specific clinical characteristics a...

Score 88 GitHub stars 38 Open source
renfield

Self-hosted AI assistant with voice satellites, 100+ tool integrations, RAG knowledge base, and full offline capability. Built with FastAPI...

Score 88 GitHub stars 38 Open source
h9y

HyperAgency (h9y.ai) is a Sovereign Agentic AI Operating System Network built on federated and distributed architecture, enabling autonomous...

Score 88 GitHub stars 37 Open source
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