Open-source rag software

1097 open-source libraries, tools and applications tagged rag, ranked by how closely rag is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

1097 products, primary matches first, then adoption-weighted; health v2 shown.

Product	Health v2	Stars	Maturity
Dify Dify is an open‑source platform for building production‑ready AI agents, RAG pipelines and agentic workflows with a visual no‑code studio. …	92	158944	active
LangChain LangChain is an open-source Python framework for building LLM-powered agents and applications, providing a configurable agent harness (crea…	95	148099	stable
ruvnet/ruflo Ruflo is an open-source agent meta-harness for deploying multi-agent swarms and coordinating autonomous AI workflows, with adaptive memory,…	83	76107	active
binary-husky/gpt_academic GPT Academic is a self-hosted Python application providing a practical chat interface for LLMs like GPT, GLM, Qwen, DeepSeek, and Claude, w…	47	71417	active
AnythingLLM AnythingLLM is an all‑in‑one self‑hosted AI application that lets you chat with your documents, run AI agents, and use local LLMs. It provi…	96	66696	active
mvanhorn/last30days-skill last30days is an AI agent skill that aggregates content from Reddit, X, YouTube, Hacker News, Polymarket and other web sources, then synthe…	80	62570	active
MemPalace/mempalace MemPalace is a local‑first AI memory system that stores conversation and project data verbatim and makes it searchable via semantic search.…	82	59621	active
zhayujie/CowAgent CowAgent is an open‑source AI assistant and agent harness that can plan tasks, run tools and custom skills, and maintain a personal knowled…	98	47220	active
LibreChat LibreChat is an open‑source, self‑hosted ChatGPT‑style web application written in TypeScript. It provides a unified UI for multiple LLM pro…	85	46021	active
Yuan1z0825/nature-skills Nature Skills is a CLI-based skill library that provides reusable AI-powered workflows for academic writing and scientific figure generatio…	58	45766	active
emilkowalski/skills Skills is a collection of AI‑agent prompt files that encode design and animation best‑practices. It can be installed via npx and used to gu…	60	45745	active
vectorize-io/hindsight Hindsight is an open-source agent memory system that gives AI agents persistent long-term memory that learns and consolidates knowledge ove…	78	44347	active
BettaFish MiroFish is a Python‑based multi‑agent AI engine that creates a high‑fidelity digital twin of real‑world scenarios. It lets users inject se…	75	42341	active
HKUDS/DeepTutor DeepTutor is an open‑source, agentic framework that combines large language models with retrieval‑augmented generation to deliver lifelong,…	79	41457	active
lfnovo/open-notebook Open Notebook is an open-source, privacy-focused alternative to Google's Notebook LM that lets users organize multi-modal sources (PDFs, vi…	90	40397	active
HKUDS/LightRAG LightRAG is a Python library that implements a simple and fast Retrieval-Augmented Generation framework using graph structures and vector e…	84	40153	active
QuivrHQ/quivr Quivr is an opinionated RAG (Retrieval-Augmented Generation) library, available as the quivr-core Python package, that lets developers inge…	76	39579	active
Project NOMAD Project NOMAD is a self-hosted, offline-first knowledge and education server that packages Wikipedia, books, courses, offline maps, and opt…	85	39414	active
chatchat-space/Langchain-Chatchat Langchain-Chatchat is an open-source, offline-deployable RAG and Agent application built on Langchain and LLMs such as ChatGLM, Qwen, and L…	41	38672	active
stanfordnlp/dspy DSPy is a Python library that lets you program language models using declarative signatures instead of hand‑written prompts. It provides mo…	93	38406	active
ItzCrazyKns/Vane Vane is a self-hosted, privacy-focused AI answering engine that combines web search (via SearxNG) with LLMs to deliver cited answers. It su…	79	37362	active
Qdrant Qdrant is a high‑performance, open‑source vector similarity search engine and database written in Rust. It provides a production‑ready API …	96	34906	active
virgiliojr94/book-to-skill book-to-skill is a Python CLI that transforms technical books and documents into Claude Code agent skills. It extracts content, converts it…	78	34574	active
Tabby Tabby is a self-hosted, open-source AI coding assistant that serves as an on-premises alternative to GitHub Copilot. It provides LLM-powere…	76	33888	active
Zep Graphiti is an open-source Python framework for building and querying temporal knowledge graphs (Context Graphs) for AI agents. It incremen…	87	31991	active
stanford-oval/storm STORM is an LLM-powered system that researches a topic via internet search and generates full-length, cited, Wikipedia-like reports. It is …	32	31520	active
ScrapeGraphAI ScrapeGraphAI is a Python library that uses LLMs and direct graph logic to build web scraping pipelines for websites and local documents (X…	87	31358	active
Cognee Cognee is an open‑source AI memory platform that provides persistent, long‑term memory for AI agents. It builds a knowledge graph from docu…	90	31294	active
Cognee Cognee is an open-source Python library and platform that gives AI agents persistent long-term memory by ingesting data in any format and b…	90	31294	active
Tencent/WeKnora WeKnora is an open‑source LLM‑powered knowledge platform that transforms raw documents into a queryable RAG system and autonomous reasoning…	84	31280	active
GBrain GBrain is a self-hosted 'brain layer' for AI agents that combines a knowledge graph, vector search, and a synthesis engine to return cited …	79	30972	active
tobi/qmd QMD is a local, on-device CLI search engine that indexes markdown notes, docs, meeting transcripts, and knowledge bases. It combines BM25 f…	80	30141	active
GPT Researcher GPT Researcher is a Python‑based autonomous AI agent that performs deep, multi‑source research and generates detailed reports with citation…	95	29943	active
GPT Researcher GPT Researcher is an open-source autonomous deep research agent that plans research questions, scrapes web and local sources, and produces …	95	29943	active
OpenDataLoader PDF OpenDataLoader PDF is an open‑source PDF parsing library that converts PDFs into AI‑ready formats such as Markdown, JSON with bounding boxe…	83	29741	active
Mastra Mastra is a modern TypeScript framework for building AI-powered applications and autonomous agents. It provides model routing, workflow orc…	87	28892	active
srbhr/Resume-Matcher Resume Matcher is an AI‑powered application that helps you create, tailor, and export resumes and cover letters for specific job postings. …	87	28535	active
virattt/dexter Dexter is an autonomous AI agent built in TypeScript that performs deep financial research by planning tasks, executing them with real-time…	82	27647	active
Haystack Haystack is an open‑source Python framework for orchestrating LLM‑powered pipelines, agents and RAG applications. It provides modular compo…	99	26720	active
Cinnamon/kotaemon Kotaemon is an open-source RAG-based application providing a clean, customizable UI for chatting and doing question answering with your own…	79	25795	active
google-ai-edge/gallery Google AI Edge Gallery is a mobile and desktop app that lets you run large language models and multimodal AI directly on your device. It pr…	87	25018	active
vanna-ai/vanna Vanna is an open-source Python framework for building user-aware AI agents that translate natural-language questions into SQL queries, char…	10	23812	active
sinaptik-ai/pandas-ai PandasAI is a Python library that lets users query data in SQL, CSV, or parquet format using natural language, powered by LLMs and RAG. It …	52	23808	active
Builder.io A Node.js/TypeScript crawler that scrapes one or more websites and generates knowledge files (JSON) for creating custom GPTs or OpenAI assi…	28	22405	active
PromtEngineer/localGPT LocalGPT is a fully private, on-premise document intelligence platform that lets users chat with, summarize, and query their own documents …	71	22197	active
coze-dev/coze-studio Coze Studio is an open-source, all-in-one AI agent development platform with visual, no-code/low-code tools for building, debugging, and de…	67	21698	active
pydantic/pydantic-ai Pydantic AI is a typed Python SDK for building AI agents and LLM applications. It provides an extensible agent loop, multi‑modal capabiliti…	87	20670	active
DB-GPT DB-GPT is an open‑source agentic AI data assistant that connects to databases, files and knowledge bases, then generates SQL, code and visu…	91	20127	active
LLM Wiki LLM Wiki is a cross‑platform desktop application that automatically builds and maintains an interlinked knowledge base from your documents.…	76	20016	active
LLM Wiki LLM Wiki is a cross-platform desktop application that automatically turns your documents into an organized, interlinked knowledge base. Unl…	76	20016	active
Alibaba-NLP/DeepResearch Tongyi DeepResearch is an open-source agentic large language model (30.5B total parameters, 3.3B activated per token) plus training and inf…	49	20014	active
huggingface/sentence-transformers Sentence Transformers is a Python library for computing dense vector embeddings from text, images, audio, and video. It also provides tools…	98	19183	active
meta-llama/llama-cookbook The Llama Cookbook is a collection of Jupyter notebooks and scripts that demonstrate how to use Meta's Llama models for inference, fine‑tun…	54	18559	active
LangChain LangChain.js is a TypeScript framework for building LLM-powered applications, providing standard interfaces for agents, models, embeddings,…	95	18284	active
DeepWiki / Grok Wiki DeepWiki-Open (now Grok-Wiki) is an open-source, AI-powered tool that automatically generates interactive wikis, documentation, diagrams, a…	62	18138	active
rowboatlabs/rowboat Rowboat is an open-source desktop AI coworker that indexes your email, meetings, Slack, and conversations into a living backlinked knowledg…	86	17974	active
getmaxun/maxun Maxun is an open-source no-code platform for web scraping, crawling, search, and AI-powered data extraction that turns websites into struct…	94	17844	active
camel-ai/camel CAMEL is an open-source Python framework for building multi-agent AI systems, providing agents, role-based societies, memory, RAG pipelines…	82	17834	active
WrenAI WrenAI is an open-source generative BI (GenBI) engine that turns natural-language questions into governed SQL, charts, and dashboards acros…	87	17826	active
QwenLM/Qwen-Agent Qwen-Agent is a Python framework for building LLM agent applications on top of Qwen models, providing function calling, MCP support, code i…	58	17128	active
MemoriLabs/Memori Memori is agent-native memory infrastructure that turns LLM agent execution and conversation into structured, persistent state. It ships as…	76	16866	active
HKUDS/DeepCode DeepCode is an open agentic coding framework from HKUDS that orchestrates multi-agent LLM pipelines to autonomously generate production-gra…	87	16710	active
memvid/memvid Memvid is a single-file memory layer for AI agents that packages data, embeddings, and search indexes into one portable .mv2 file. It repla…	72	16550	active
MODSetter/SurfSense SurfSense is an open-source, self-hostable NotebookLM alternative that combines a personal knowledge base with live open-web research conne…	91	16505	active
GraphScope Zvec is an open-source, in-process vector database by Alibaba that embeds directly into applications with no server or daemon required. It …	80	16070	active
modelscope/ms-swift ms-swift is a ModelScope community framework for fine-tuning, inference, evaluation, quantization, and deployment of 600+ text LLMs and 400…	90	15809	active
AgriciDaniel/claude-obsidian A Claude Code plugin/skill system that turns an Obsidian vault into a self-organizing AI second brain. It captures sources, creates linked …	81	15587	active
GaiZhenbiao/ChuanhuChatGPT Chuanhu Chat is a Python/Gradio-based web GUI for chatting with ChatGPT and many other LLMs (GPT-5/4, Claude, Gemini, ChatGLM, Llama, Ollam…	64	15269	active
ConardLi/easy-dataset Easy Dataset is a self-hosted web application for building high-quality structured datasets for LLM fine-tuning, RAG, and model evaluation.…	66	14989	active
Botpress Botpress is an open-source platform and hub for building, deploying, and managing GPT/LLM-powered chatbots and AI agents, with a visual stu…	67	14946	active
llmware-ai/llmware llmware is a Python framework for building enterprise RAG pipelines and LLM-based applications using small, specialized open-source models.…	90	14816	active
aiming-lab/AutoResearchClaw AutoResearchClaw is a Python framework for fully autonomous, self-evolving research that takes an idea from chat to a generated paper using…	70	14582	active
NevaMind-AI/memU memU is a lightweight, agent-driven memory system that gives LLM agents a shared, inspectable personal memory layer across sessions, agents…	74	14425	active
netease-youdao/QAnything QAnything is a local knowledge base question-answering system by NetEase Youdao that supports uploading and querying various document forma…	61	14188	active
semantica-agi/semantica Semantica is a Python library providing graph-native infrastructure for building context graphs, knowledge graphs, and decision intelligenc…	84	13821	active
EverMind-AI/EverOS EverOS is a Python library and local-first memory runtime that gives AI agents a portable, user-owned memory layer across apps, tools, and …	83	13408	active
cloudwego/eino Eino is a Go-based framework for building LLM and AI applications, inspired by LangChain and LlamaIndex but following Go conventions. It pr…	84	13269	active
LangChain4j LangChain4j is an open-source Java library for building LLM-powered applications on the JVM, providing a unified API over 20+ LLM providers…	97	13266	active
txtai txtai is an all-in-one open-source AI framework for semantic search, LLM orchestration and language model workflows, built around an embedd…	95	12978	active
StarTrail-org/LEANN LEANN is a low-storage vector index that enables retrieval-augmented generation (RAG) on personal devices by recomputing embeddings on the …	85	12966	active
Open Deep Research An open-source deep research agent built with LangGraph that performs multi-step web research using configurable LLM providers, search tool…	10	12680	active
HKUDS/ViMax ViMax is an agentic video generation framework that uses coordinated multi-agent collaboration (director, screenwriter, producer, video gen…	71	12666	active
zilliztech/claude-context Claude Context is an MCP plugin that adds semantic code search to Claude Code and other AI coding agents, indexing an entire codebase into …	57	12587	active
LLM A CLI tool and Python library for running prompts against large language models from OpenAI, Anthropic, Google, and many other providers, i…	95	12559	stable
Nebula Graph NebulaGraph is a distributed, open-source graph database written in C++ that handles large graph datasets with millisecond latency and hori…	65	12409	active
simular-ai/Agent-S Agent S is an open-source agentic framework that uses multimodal LLMs to operate computers like a human, controlling GUIs via clicking, typ…	67	12397	active
FlagOpen/FlagEmbedding FlagEmbedding is the official Python toolkit for BAAI's BGE family of embedding models and rerankers, covering inference, evaluation, and f…	82	12242	active
jina-ai/reader Jina AI Reader converts any URL into LLM-friendly markdown via the r.jina.ai prefix, and searches the web into markdown via s.jina.ai. It r…	59	12158	active
jd-opensource/joyagent-jdgenie JoyAgent-JDGenie is an open-source, end-to-end, production-grade general-purpose multi-agent product built in Java. It directly answers use…	36	11931	active
Scira Scira is an open-source, minimalistic AI-powered search engine and agentic research platform that plans multi-step searches, retrieves live…	64	11904	active
MemTensor/MemOS MemOS is a memory operating system for LLMs and AI agents that unifies storing, retrieving, and managing long-term, multi-modal memory thro…	83	11513	active
Pocket Flow Pocket Flow is a minimalist 100-line LLM framework in Python with zero dependencies, modeling LLM applications as a graph of nodes connecte…	51	11208	active
blinkospace/blinko Blinko is an open-source, self-hosted AI-powered card note-taking app for quickly capturing and organizing fleeting thoughts. It uses RAG-b…	76	11069	active
alibaba/spring-ai-alibaba Spring AI Alibaba is a production-ready agentic AI framework for Java developers, built on Spring AI and a DAG-based Graph runtime. It prov…	77	10966	active
a16z-infra/ai-town AI Town is a deployable starter kit for building a virtual town where AI characters live, chat, and socialize, inspired by the Generative A…	70	10589	active
xerj-org/xerj XERJ is a Rust-based, single-binary search engine built for AI agents, offering BM25, kNN vector, and hybrid search with Elasticsearch-comp…	77	10576	active
oramasearch/orama Orama is a lightweight (~2kb) search engine and RAG pipeline library written in TypeScript that runs in the browser, server, or edge networ…	81	10561	active
sigoden/aichat AIChat is an all-in-one command-line LLM client written in Rust that connects to 20+ providers including OpenAI, Claude, Gemini, and Ollama…	60	10471	active
StarTrail-org/PixelRAG PixelRAG is a Python library and hosted service for visual retrieval-augmented generation: it renders web pages and documents into screensh…	77	10320	active
chaitin/PandaWiki PandaWiki is an open-source, AI large-language-model-driven knowledge base system for building intelligent product docs, technical document…	82	10309	active