RAG, Knowledge & Memory Repositories

hermes-agent

by NousResearch

Total Stargazers:244847

Total Subscribers:954

The agent that grows with you

markitdown

by microsoft

Total Stargazers:183141

Total Subscribers:578

Python tool for converting files and office documents to Markdown.

firecrawl

by firecrawl

Total Stargazers:179492

Total Subscribers:462

The context API to search, scrape, and interact with the web at scale. 🔥

prompts.chat

by f

Total Stargazers:170109

Total Subscribers:1652

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

JavaGuide

by Snailclimb

Total Stargazers:158473

Total Subscribers:4461

Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

dify

by langgenius

Total Stargazers:155520

Total Subscribers:836

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

open-webui

by open-webui

Total Stargazers:151757

Total Subscribers:663

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

langchain

by langchain-ai

Total Stargazers:146193

Total Subscribers:919

The agent engineering platform.

awesome-llm-apps

by Shubhamsaboo

Total Stargazers:137517

Total Subscribers:1286

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

graphify

by Graphify-Labs

Total Stargazers:117184

Total Subscribers:395

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

supabase

by supabase

Total Stargazers:109083

Total Subscribers:741

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

claude-mem

by thedotmack

Total Stargazers:93726

Total Subscribers:299

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

ragflow

by infiniflow

Total Stargazers:90578

Total Subscribers:364

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

PaddleOCR

by PaddlePaddle

Total Stargazers:89385

Total Subscribers:566

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

crawl4ai

by unclecode

Total Stargazers:82499

Total Subscribers:413

🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper. Don't be shy, join here: https://discord.gg/jP8KfhDhyN

Understand-Anything

by Egonex-AI

Total Stargazers:82207

Total Subscribers:253

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

MinerU

by opendatalab

Total Stargazers:79771

Total Subscribers:283

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

Prompt-Engineering-Guide

by dair-ai

Total Stargazers:78241

Total Subscribers:756

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

gpt_academic

by binary-husky

Total Stargazers:71332

Total Subscribers:297

为GPT/GLM等LLM大语言模型提供实用化交互接口，特别优化论文阅读/润色/写作体验，模块化设计，支持自定义快捷按钮&函数插件，支持Python和C++等项目剖析&自译解功能，PDF/LaTex论文翻译&总结功能，支持并行问询多种LLM模型，支持chatglm3等本地模型。接入通义千问, deepseekcoder, 讯飞星火, 文心一言, llama2, rwkv, claude2, moss等。

codegraph

by colbymchenry

Total Stargazers:70589

Total Subscribers:170

Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot, and Hermes Agent — fewer tokens, fewer tool calls, 100% local

docling

by docling-project

Total Stargazers:66308

Total Subscribers:225

Get your documents ready for gen AI

anything-llm

by Mintplex-Labs

Total Stargazers:65956

Total Subscribers:413

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

mem0

by mem0ai

Total Stargazers:65183

Total Subscribers:248

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

pathway

by pathwaycom

Total Stargazers:62294

Total Subscribers:121

Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.

TrendRadar

by sansan0

Total Stargazers:62202

Total Subscribers:216

⭐AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts.🎯 告别信息过载，你的 AI 舆情监控助手与热点筛选工具！聚合多平台热点 + RSS 订阅，支持关键词精准筛选。AI 智能筛选新闻 + AI 翻译 + AI 分析简报直推手机，也支持接入 MCP 架构，赋能 AI 自然语言对话分析、情感洞察与趋势预测等。支持 Docker ，数据本地/云端自持。集成微信/飞书/钉钉/Telegram/邮件/ntfy/bark/slack 等渠道智能推送。

last30days-skill

by mvanhorn

Total Stargazers:61886

Total Subscribers:219

AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

meilisearch

by meilisearch

Total Stargazers:59272

Total Subscribers:299

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

mempalace

by MemPalace

Total Stargazers:59018

Total Subscribers:325

The best-benchmarked open-source AI memory system. And it's free.

llm-app

by pathwaycom

Total Stargazers:58938

Total Subscribers:95

Ready-to-run cloud templates for RAG, AI pipelines, and enterprise search with live data. 🐳Docker-friendly.⚡Always in sync with Sharepoint, Google Drive, S3, Kafka, PostgreSQL, real-time data APIs, and more.

private-gpt

by zylon-ai

Total Stargazers:57504

Total Subscribers:458

Complete API layer for private AI applications on local models: RAG, skills, tools, MCP, text-to-sql, and more. Works with any OpenAI-compatible inference server.

Flowise

by FlowiseAI

Total Stargazers:55454

Total Subscribers:377

Build AI Agents, Visually

claude-cookbooks

by anthropics

Total Stargazers:52645

Total Subscribers:624

A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.

llama_index

by run-llama

Total Stargazers:52134

Total Subscribers:286

LlamaIndex is the document processing platform for AI

JeecgBoot

by jeecgboot

Total Stargazers:47765

Total Subscribers:845

【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，解决 Java 项目 90% 重复工作，提高效率又不失灵活。

CowAgent

by zhayujie

Total Stargazers:46930

Total Subscribers:320

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-agent, multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)

siyuan

by siyuan-note

Total Stargazers:46317

Total Subscribers:188

An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作

milvus

by milvus-io

Total Stargazers:46071

Total Subscribers:341

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

ai-agent-book

by bojieli

Total Stargazers:46036

Total Subscribers:170

《深入理解 AI Agent：设计原理与工程实践》（李博杰著）开源主仓库：全书正文、编译版 PDF 与按章配套代码

BettaFish

by 666ghj

Total Stargazers:42203

Total Subscribers:233

微舆：人人可用的多Agent舆情分析助手，打破信息茧房，还原舆情原貌，预测未来走向，辅助决策！从0实现，不依赖任何框架。

WeChatMsg

by LC044

Total Stargazers:42060

Total Subscribers:227

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langgraph

by langchain-ai

Total Stargazers:41534

Total Subscribers:181

Build resilient agents.

openhuman

by tinyhumansai

Total Stargazers:39702

Total Subscribers:200

OpenHuman is an open source agent harness with local-first memory, agent orchestration, and workflows

LightRAG

by HKUDS

Total Stargazers:39594

Total Subscribers:301

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

quivr

by The-Vibe-Company

Total Stargazers:39509

Total Subscribers:291

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.

DeepTutor

by HKUDS

Total Stargazers:39391

Total Subscribers:190

DeepTutor: Lifelong Personalized Tutoring. https://deeptutor.info/.

Folo

by RSSNext

Total Stargazers:38948

Total Subscribers:153

🧡 Folo is the AI RSS Reader

open-notebook

by lfnovo

Total Stargazers:38642

Total Subscribers:189

An Open Source implementation of Notebook LM with more flexibility and features

Langchain-Chatchat

by chatchat-space

Total Stargazers:38629

Total Subscribers:292

Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain

langextract

by google

Total Stargazers:38573

Total Subscribers:175

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

ai-engineering-hub

by patchy631

Total Stargazers:37502

Total Subscribers:463

In-depth tutorials on LLMs, RAGs and real-world AI agent applications.

khoj

by khoj-ai

Total Stargazers:37290

Total Subscribers:181

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.

OpenViking

by volcengine

Total Stargazers:36812

Total Subscribers:108

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

Vane

by ItzCrazyKns

Total Stargazers:36711

Total Subscribers:209

Vane is an AI-powered answering engine.

project-nomad

by Crosstalk-Solutions

Total Stargazers:36669

Total Subscribers:214

Project NOMAD is an offline-first knowledge and education server. Wikipedia, thousands of books, courses, maps, and optional local AI, all running on hardware you own with no internet required.

graphrag

by microsoft

Total Stargazers:35953

Total Subscribers:205

A modular graph-based Retrieval-Augmented Generation (RAG) system

PageIndex

by VectifyAI

Total Stargazers:35622

Total Subscribers:146

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

QwenPaw

by agentscope-ai

Total Stargazers:34847

Total Subscribers:111

Your Personal AI Assistant; easy to install, deploy on your own machine or on the cloud; supports multiple chat apps with easily extensible capabilities.

qdrant

by qdrant

Total Stargazers:34509

Total Subscribers:162

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

langfuse

by langfuse

Total Stargazers:34506

Total Subscribers:112

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

changedetection.io

by dgtlmoon

Total Stargazers:33839

Total Subscribers:120

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

RAG, Knowledge & Memory

Retrieval-augmented generation, document Q&A, knowledge bases and long-term memory for LLMs.

hermes-agent

by NousResearch

The agent that grows with you

markitdown

by microsoft

Python tool for converting files and office documents to Markdown.

firecrawl

by firecrawl

The context API to search, scrape, and interact with the web at scale. 🔥

prompts.chat

by f

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

JavaGuide

by Snailclimb

Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

dify

by langgenius

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

open-webui

by open-webui

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

langchain

by langchain-ai

The agent engineering platform.

awesome-llm-apps

by Shubhamsaboo

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

graphify

by Graphify-Labs

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

supabase

by supabase

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

claude-mem

by thedotmack

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

ragflow

by infiniflow

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

PaddleOCR

by PaddlePaddle

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

crawl4ai

by unclecode

🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper. Don't be shy, join here: https://discord.gg/jP8KfhDhyN

Understand-Anything

by Egonex-AI

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

MinerU

by opendatalab

Transforms complex documents like PDFs and Office docs into LLM-ready markdown/JSON for your Agentic workflows.

Prompt-Engineering-Guide

by dair-ai

🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

gpt_academic

by binary-husky

codegraph

by colbymchenry

Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot, and Hermes Agent — fewer tokens, fewer tool calls, 100% local

docling

by docling-project

Get your documents ready for gen AI

anything-llm

by Mintplex-Labs

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

mem0

by mem0ai

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

pathway

by pathwaycom

Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.

TrendRadar

by sansan0

last30days-skill

by mvanhorn

AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

meilisearch

by meilisearch

《深入理解 AI Agent：设计原理与工程实践》（李博杰著）开源主仓库：全书正文、编译版 PDF 与按章配套代码