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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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bisheng

BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI wo...

Score 100 GitHub stars 12,003 Open source
serena

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

Score 100 GitHub stars 29,374 Open source
txtai

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

Score 100 GitHub stars 12,972 Open source
InsForge

The all-in-one, open-source backend platform for agentic coding. InsForge gives your coding agent database, auth, storage, compute, hosting,...

Score 100 GitHub stars 12,710 Open source
PageIndex

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

Score 100 GitHub stars 35,840 Open source
graphify

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Curso...

Score 100 GitHub stars 120,678 Open source
LibreChat

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, Open...

Score 100 GitHub stars 44,798 Open source
milvus

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

Score 100 GitHub stars 46,247 Open source
LightRAG

[EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation

Score 100 GitHub stars 39,843 Open source
ragflow

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a...

Score 100 GitHub stars 91,209 Open source
dify

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-ho...

Score 100 GitHub stars 157,042 Open source
codebase-memory-mcp

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 langu...

Score 100 GitHub stars 44,085 Open source
PixelRAG

https://arxiv.org/abs/2606.28344. The end of web parsing. The beginning of scalable pixel-native search. link: https://pixelrag.ai/

Score 100 GitHub stars 9,795 Open source
terragrunt

Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu/Terraform to scale.

Score 100 GitHub stars 9,831 Open source
openebs

A popular & widely deployed Open Source Container Native Storage platform for Stateful Persistent Applications on Kubernetes.

Score 100 GitHub stars 9,793 Open source
awesome-langchain

😎 Awesome list of tools and projects with the awesome LangChain framework

Score 100 GitHub stars 9,546 Open source
paper-qa

High accuracy RAG for answering questions from scientific documents with citations

Score 100 GitHub stars 9,241 Open source
rocketride-server

High-performance AI pipeline engine with a C++ core and 50+ Python-extensible nodes. Build, debug, and scale LLM workflows with 13+ model pr...

Score 100 GitHub stars 9,143 Open source
PraisonAI

PraisonAI 🦞 — Hire a 24/7 AI Workforce. Stop writing boilerplate and start shipping autonomous self-improving agents that research, plan, c...

Score 100 GitHub stars 9,082 Open source
astron-agent

Enterprise-grade, commercial-friendly agentic workflow platform for building next-generation SuperAgents.

Score 100 GitHub stars 8,941 Open source
Prompt_Engineering

22 prompt engineering techniques with hands-on Jupyter Notebook tutorials, from fundamental concepts to advanced strategies for leveraging L...

Score 99 GitHub stars 7,864 Open source
Yuxi

可私有部署的多租户知识智能体平台:统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Yuxi = Cloud Agents + Knowledge RAG, Self-hosted...

Score 99 GitHub stars 7,171 Open source
lance

Open Lakehouse Format for Multimodal AI. Convert from Parquet in 2 lines of code for 100x faster random access, vector index, and data versi...

Score 99 GitHub stars 7,104 Open source
SQLBot

🔥 基于大模型和 RAG 的智能问数系统,对话式数据分析神器。Text-to-SQL Generation via LLMs using RAG.

Score 99 GitHub stars 6,847 Open source
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