RAG, Knowledge & Memory Repositories

memvid

by memvid

Total Stargazers:16540

Total Subscribers:126

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

openwiki

by langchain-ai

Total Stargazers:16434

Total Subscribers:51

OpenWiki is a CLI that writes and maintains agent documentation for your codebase.

mcp-toolbox

by googleapis

Total Stargazers:16374

Total Subscribers:94

MCP Toolbox for Databases is an open source MCP server for databases.

SurfSense

by MODSetter

Total Stargazers:16131

Total Subscribers:93

Open-source NotebookLM alternative. Research the open web with live data(Reddit, YT, IG, TikTok, Indeed, Google Search, Maps etc) through one platform, API or MCP server. Join our Discord: https://discord.gg/ejRNvftDp9

zvec

by alibaba

Total Stargazers:15905

Total Subscribers:76

A lightweight, lightning-fast, in-process vector database

ragas

by vibrantlabsai

Total Stargazers:15714

Total Subscribers:64

Supercharge Your LLM Application Evaluations 🚀

Second-Me

by mindverse

Total Stargazers:15683

Total Subscribers:129

Train your AI self, amplify you, bridge the world

gitingest

by coderamp-labs

Total Stargazers:15447

Total Subscribers:57

Replace 'hub' with 'ingest' in any GitHub URL to get a prompt-friendly extract of a codebase

unstructured

by Unstructured-IO

Total Stargazers:15420

Total Subscribers:78

Convert documents to structured data effortlessly. Unstructured is open-source ETL solution for transforming complex documents into clean, structured formats for language models. Visit our website to learn more about our enterprise grade Platform product for production grade workflows, partitioning, enrichments, chunking and embedding.

ChuanhuChatGPT

by GaiZhenbiao

Total Stargazers:15272

Total Subscribers:90

GUI for ChatGPT API and many LLMs. Supports agents, file-based QA, GPT finetuning and query with web search. All with a neat UI.

OpenMetadata

by open-metadata

Total Stargazers:15181

Total Subscribers:62

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

Skill_Seekers

by yusufkaraaslan

Total Stargazers:14957

Total Subscribers:71

Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection

easy-dataset

by ConardLi

Total Stargazers:14903

Total Subscribers:68

A powerful tool for creating datasets for LLM fine-tuning 、RAG and Eval

claude-obsidian

by AgriciDaniel

Total Stargazers:14853

Total Subscribers:61

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

llmware

by llmware-ai

Total Stargazers:14845

Total Subscribers:60

Unified framework for building enterprise RAG pipelines with small, specialized models

awesome-ai-apps

by Arindam200

Total Stargazers:14513

Total Subscribers:111

A collection of projects showcasing RAG, agents, workflows, and other AI use cases

memU

by NevaMind-AI

Total Stargazers:14403

Total Subscribers:68

Personal memory across agents

QAnything

by netease-youdao

Total Stargazers:14166

Total Subscribers:112

Question and Answer based on Anything.

context-hub

by andrewyng

Total Stargazers:13971

Total Subscribers:86

______________

llm-universe

by datawhalechina

Total Stargazers:13952

Total Subscribers:74

本项目是一个面向小白开发者的大模型应用开发教程，在线阅读地址：https://datawhalechina.github.io/llm-universe/

instructor

by 567-labs

Total Stargazers:13874

Total Subscribers:55

structured outputs for llms

omi

by BasedHardware

Total Stargazers:13463

Total Subscribers:91

AI that sees your screen, listens to your conversations and tells you what to do

dataloader

by graphql

Total Stargazers:13389

Total Subscribers:142

DataLoader is a generic utility to be used as part of your application's data fetching layer to provide a consistent API over various backends and reduce requests to those backends via batching and caching.

langchain4j

by langchain4j

Total Stargazers:13077

Total Subscribers:122

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.

eino

by cloudwego

Total Stargazers:13029

Total Subscribers:77

The ultimate LLM/AI application development framework in Go.

txtai

by neuml

Total Stargazers:12946

Total Subscribers:116

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

LEANN

by StarTrail-org

Total Stargazers:12932

Total Subscribers:79

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

EverOS

by EverMind-AI

Total Stargazers:12913

Total Subscribers:111

One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.

note-gen

by codexu

Total Stargazers:12793

Total Subscribers:51

Capture first. Organize later. A local-first Markdown app that turns scattered records into clear notes with AI.

semantica

by semantica-agi

Total Stargazers:12758

Total Subscribers:66

Graph-Native Infrastructure for Context and Accountable AI Systems

claude-context

by zilliztech

Total Stargazers:12518

Total Subscribers:59

Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

liteparse

by run-llama

Total Stargazers:12298

Total Subscribers:40

A fast, helpful, and open-source document parser

FlagEmbedding

by FlagOpen

Total Stargazers:12153

Total Subscribers:61

Retrieval and Retrieval-augmented LLMs

reader

by jina-ai

Total Stargazers:11977

Total Subscribers:54

Convert any URL to an LLM-friendly input with a simple prefix https://r.jina.ai/

bisheng

by dataelement

Total Stargazers:11954

Total Subscribers:623

BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level System Management, Observability and more.

joyagent-jdgenie

by jd-opensource

Total Stargazers:11909

Total Subscribers:90

开源的端到端产品级通用智能体

scira

by zaidmukaddam

Total Stargazers:11881

Total Subscribers:81

Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK!

Crucix

by calesthio

Total Stargazers:11686

Total Subscribers:66

Your personal intelligence agent. Watches the world from multiple data sources and pings you when something changes.

cocoindex

by cocoindex-io

Total Stargazers:11541

Total Subscribers:52

Incremental engine for long horizon agents 🌟 Star if you like it!

lancedb

by lancedb

Total Stargazers:11410

Total Subscribers:58

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

MemOS

by MemTensor

Total Stargazers:11300

Total Subscribers:51

Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval, and cross-task skill reuse, with 35.24% token savings and DeepSeek Harness support.

holaOS

by holaboss-ai

Total Stargazers:11232

Total Subscribers:204

Open-source agentic workspace enterprises can make their own. Connect the systems you already run — 100+ integrations, MCP, chat tools, apps, browser, local files — with shared memory. Any agent (Claude Code, Codex), any model, or BYOK. Set up in clicks, not months. Local-first: your data never leaves your machines.

PocketFlow

by The-Pocket

Total Stargazers:11162

Total Subscribers:104

Pocket Flow: 100-line LLM framework. Let Agents build Agents!

blinko

by blinkospace

Total Stargazers:11009

Total Subscribers:39

An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript .

all-in-rag

by datawhalechina

Total Stargazers:11000

Total Subscribers:28

🔍大模型应用开发实战一：RAG 技术全栈指南，在线阅读地址：https://datawhalechina.github.io/all-in-rag/

PyMuPDF

by pymupdf

Total Stargazers:10693

Total Subscribers:67

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

VidBee

by nexmoe

Total Stargazers:10614

Total Subscribers:44

Download video and audio from YouTube , TikTok , Twitter , Instagram , Facebook , Twitch , Bilibili , and 1000+ sites—or import local media. Create searchable transcripts on your computer, then summarize, translate, or ask questions with your preferred AI provider.

orama

by oramasearch

Total Stargazers:10547

Total Subscribers:46

🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

PandaWiki

by chaitin

Total Stargazers:10231

Total Subscribers:64

PandaWiki 是一款 AI 大模型驱动的开源知识库搭建系统，帮助你快速构建智能化的产品文档、技术文档、FAQ、博客系统，借助大模型的力量为你提供 AI 创作、AI 问答、AI 搜索等能力。

PySyft

by OpenMined

Total Stargazers:10031

Total Subscribers:193

Perform data science on data that remains in someone else's server

PixelRAG

by StarTrail-org

Total Stargazers:9943

Total Subscribers:41

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

cangjie-skill

by kangarooking

Total Stargazers:9887

Total Subscribers:40

把书、长视频、播客等高价值内容蒸馏成可执行的 Agent Skills（Distill high-value content from books, long-form videos, podcasts, and more into executable Agent Skills）

BabelDOC

by funstory-ai

Total Stargazers:9509

Total Subscribers:45

Yet Another Document Translator

AgentGuide

by adongwanai

Total Stargazers:9499

Total Subscribers:31

https://adongwanai.github.io/AgentGuide | AI Agent开发指南 | LangGraph实战 | 高级RAG | 转行大模型 | 大模型面试 | 算法工程师 | 面试题库 | 强化学习｜数据合成

spring-ai

by spring-projects

Total Stargazers:9438

Total Subscribers:116

An Application Framework for AI Engineering

local-deep-researcher

by langchain-ai

Total Stargazers:9340

Total Subscribers:79

Fully local web research and report writing assistant

Horizon

by Thysrael

Total Stargazers:9331

Total Subscribers:30

📡 Your own AI-powered news radar. Generates daily briefings in English & Chinese. | 用 AI 构建你专属的新闻雷达

xberg

by xberg-io

Total Stargazers:9296

Total Subscribers:38

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. Fifteen bindings, with CLI, REST API, and MCP server.

Context-Engineering

by jasontang-ai

Total Stargazers:9249

Total Subscribers:117

"Context engineering is the delicate art and science of filling the context window with just the right information for the next step." — Andrej Karpathy. A frontier, first-principles handbook inspired by Karpathy and 3Blue1Brown for moving beyond prompt engineering to the wider discipline of context design, orchestration, and optimization.

deeplake

by activeloopai

Total Stargazers:9233

Total Subscribers:102

RAG, Knowledge & Memory

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

memvid

by memvid

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

openwiki

by langchain-ai

OpenWiki is a CLI that writes and maintains agent documentation for your codebase.

mcp-toolbox

by googleapis

MCP Toolbox for Databases is an open source MCP server for databases.

SurfSense

by MODSetter

Open-source NotebookLM alternative. Research the open web with live data(Reddit, YT, IG, TikTok, Indeed, Google Search, Maps etc) through one platform, API or MCP server. Join our Discord: https://discord.gg/ejRNvftDp9

zvec

by alibaba

A lightweight, lightning-fast, in-process vector database

ragas

by vibrantlabsai

Supercharge Your LLM Application Evaluations 🚀

Second-Me

by mindverse

Train your AI self, amplify you, bridge the world

gitingest

by coderamp-labs

Replace 'hub' with 'ingest' in any GitHub URL to get a prompt-friendly extract of a codebase

unstructured

by Unstructured-IO

ChuanhuChatGPT

by GaiZhenbiao

GUI for ChatGPT API and many LLMs. Supports agents, file-based QA, GPT finetuning and query with web search. All with a neat UI.

OpenMetadata

by open-metadata

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

Skill_Seekers

by yusufkaraaslan

Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection

easy-dataset

by ConardLi

A powerful tool for creating datasets for LLM fine-tuning 、RAG and Eval

claude-obsidian

by AgriciDaniel

llmware

by llmware-ai

Unified framework for building enterprise RAG pipelines with small, specialized models

awesome-ai-apps

by Arindam200

A collection of projects showcasing RAG, agents, workflows, and other AI use cases

memU

by NevaMind-AI

Personal memory across agents

QAnything

by netease-youdao

Question and Answer based on Anything.

context-hub

by andrewyng

______________

llm-universe

by datawhalechina

本项目是一个面向小白开发者的大模型应用开发教程，在线阅读地址：https://datawhalechina.github.io/llm-universe/

instructor

by 567-labs

structured outputs for llms

omi

by BasedHardware

AI that sees your screen, listens to your conversations and tells you what to do

dataloader

by graphql

DataLoader is a generic utility to be used as part of your application's data fetching layer to provide a consistent API over various backends and reduce requests to those backends via batching and caching.

langchain4j

by langchain4j

eino

by cloudwego

The ultimate LLM/AI application development framework in Go.

txtai

by neuml

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

LEANN

by StarTrail-org

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

PandaWiki 是一款 AI 大模型驱动的开源知识库搭建系统，帮助你快速构建智能化的产品文档、技术文档、FAQ、博客系统，借助大模型的力量为你提供 AI 创作、AI 问答、AI 搜索等能力。