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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

459 tools · sorted by quality

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GithubStarsManager

AI-powered GitHub stars manager with semantic search, auto-categorization, and release tracking

Score 98 GitHub stars 3,589 Open source
llm-wiki-agent

A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and m...

Score 98 GitHub stars 3,558 Open source
knowhere

Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG.

Score 98 GitHub stars 3,436 Open source
skills

Agent Skills for NVIDIA products — install into Claude Code, Codex, and other coding agents to run Physical AI, robotics, simulation, CUDA,...

Score 98 GitHub stars 3,413 Open source
SocratiCode

Enterprise-grade (40m+ LOC) codebase intelligence, zero-setup, local & private Plugin/Skill/Extension or MCP: hybrid semantic search, polygl...

Score 98 GitHub stars 3,318 Open source
neo

Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via N...

Score 98 GitHub stars 3,282 Open source
MemMachine

Universal memory layer for AI Agents. It provides scalable, extensible, and interoperable memory storage and retrieval to streamline AI agen...

Score 98 GitHub stars 3,225 Open source
fastembed

Fast, Accurate, Lightweight Python library to make State of the Art Embedding

Score 98 GitHub stars 3,212 Open source
swirl-search

AI Search & RAG Without Moving Your Data. Get instant answers from your company's knowledge across 100+ apps while keeping data secure. Depl...

Score 97 GitHub stars 3,045 Open source
examples

Jupyter Notebooks to help you get hands-on with Pinecone vector databases

Score 97 GitHub stars 3,040 Open source
ai-trader-bot

An arbitrage bot is a smart contract connected to an external automation script that controls its operation.

Score 97 GitHub stars 2,711 Open source
jcodemunch-mcp

Cut AI token costs 95%+ on code exploration. The leading MCP server for precise, symbol-level GitHub code retrieval via tree-sitter AST. Wor...

Score 97 GitHub stars 2,712 Open source
AI-Novel-Writing-Assistant

面向长篇小说创作的 AI Native 开源系统,用 Agent、世界观、写法引擎、RAG 和整本生产工作流,帮助新手从一句灵感走到完整小说。AI-native engine fo...

Score 97 GitHub stars 2,608 Open source
natively-cluely-ai-assistant

Natively — Free open-source AI meeting assistant, interview copilot, and note taker. The best alternative to Cluely, Otter, Granola, Final R...

Score 97 GitHub stars 2,594 Open source
SAG

A new SOTA for RAG — an original retrieval architecture and an open-source knowledge base for humans and agents.

Score 97 GitHub stars 2,503 Open source
wanwu

China Unicom's Yuanjing Wanwu Agent Platform is an enterprise-grade, multi-tenant AI agent development platform. It helps users build applic...

Score 97 GitHub stars 2,477 Open source
ReadAny

AI-powered cross-platform e-book reader with semantic search, RAG chat, local vector store, notes, TTS, and WebDAV sync.

Score 97 GitHub stars 2,345 Open source
company-research-agent

An agentic company research tool powered by LangGraph and Tavily that conducts deep diligence on companies using a multi-agent framework. It...

Score 97 GitHub stars 2,281 Open source
karpathy-llm-wiki

Agent Skills-compatible LLM wiki for Claude Code, Cursor, and Codex. Build a Karpathy-style knowledge base from raw sources, citations, and...

Score 97 GitHub stars 2,275 Open source
beelzebub

A secure low code deception runtime framework, leveraging AI for System Virtualization.

Score 97 GitHub stars 2,181 Open source
neuron-ai

The Agentic Framework of the PHP ecosystem to build production-ready AI driven applications. Connect components (LLMs, Tools, vector DBs, me...

Score 97 GitHub stars 2,103 Open source
chatwiki

ChatWiki 微信公众号的AI知识库工作流Agent平台,RAG大模型AI客服机器人,致力于成为垂直领域的coze、n8n。

Score 97 GitHub stars 2,080 Open source
awesome-LangGraph

An index of the LangChain + LangGraph ecosystem: concepts, projects, tools, templates, and guides for LLM & multi-agent apps.

Score 97 GitHub stars 2,011 Open source
langgraph4j

🚀 LangGraph for Java is a library for Graph Engineering, designed to build sophisticated AI agentic architectures within the Java ecosystem...

Score 96 GitHub stars 1,990 Open source
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