RAG & Retrieval

langgenius/

dify

Production-ready platform for agentic workflow development.

open-webui/

open-webui

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

langchain-ai/

langchain

The agent engineering platform.

Shubhamsaboo/

awesome-llm-apps

100+ AI Agent & RAG apps you can actually run — clone, customize, ship.

thedotmack/

claude-mem

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

PaddlePaddle/

PaddleOCR

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.

infiniflow/

ragflow

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

Graphify-Labs/

graphify

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.

lobehub/

lobehub

🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

dair-ai/

Prompt-Engineering-Guide

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

datawhalechina/

hello-agents

📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程

Mintplex-Labs/

anything-llm

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

mem0ai/

mem0

Universal memory layer for AI Agents

pathwaycom/

llm-app

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.

headroomlabs-ai/

headroom

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.

meilisearch/

meilisearch

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

FlowiseAI/

Flowise

Build AI Agents, Visually

run-llama/

llama_index

LlamaIndex is the leading document agent and OCR platform

jeecgboot/

JeecgBoot

【低代码迈入 v2.0】AI低代码平台，AI Skills 一句话生成整个系统；一键生成前后端代码甚至整个模块。 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。

milvus-io/

milvus

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

siyuan-note/

siyuan

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

QuivrHQ/

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.

chatchat-space/

Langchain-Chatchat

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

HKUDS/

LightRAG

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

langchain-ai/

langgraph

Build resilient agents.

patchy631/

ai-engineering-hub

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

khoj-ai/

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.

ItzCrazyKns/

Vane

Vane is an AI-powered answering engine.

microsoft/

graphrag

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

VectifyAI/

PageIndex

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