RAG & 知识库
10 个项目文档问答、向量检索、企业知识库
这是什么
RAG（检索增强生成）与知识库类项目。让 LLM 基于你的文档 / 数据库 / 网页内容精准回答，避免胡编。
用什么场景
- 企业内部知识库问答
- 个人文档管家（PDF / 笔记一键问答）
- 客服知识库 + LLM
- 代码库问答助手
选型考虑
开箱即用一站式：FastGPT / khoj / Quivr；面向开发者 SDK：LlamaIndex / LangChain；本地隐私优先：localGPT / supermemory；PDF 专用：pdfGPT / DocsGPT。向量库内建 vs 外接（Milvus / Pinecone）影响部署复杂度。
主流项目
本分类下 10 个 RAG 与知识库项目。
所有项目10
浏览该分类下的所有开源项目
supermemory
Memory engine and app that is extremely fast, scalable. The Memory API for the AI era.
FastGPT
FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex question-answering systems without the need for extensive setup or configuration.
llama_index
LlamaIndex is the leading document agent and OCR platform
DocsGPT
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
unstract
LLM-Driven Extraction of Unstructured Data — Built for API Deployments & ETL Pipeline Workflows
khoj
Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.
localGPT
Chat with your documents on your local device using GPT models. No data leaves your device and 100% private.
pdfGPT
PDF GPT allows you to chat with the contents of your PDF file by using GPT capabilities. The most effective open source solution to turn your pdf files in a chatbot!
pgai
A suite of tools to develop RAG, semantic search, and other AI applications more easily with PostgreSQL
Quivr
Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you want.
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