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The Great Hall

Every work in the library, top first

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1,407 apps, agents and plugins from GitHub, ranked on how actively they are maintained rather than on stars. Security review is in progress and every project shows exactly what has and has not been checked.

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Ranked by total stars at the last daily refresh. This is not stars earned during the selected period. Star counts in the AI category are known to be inflated by fake-star campaigns, so activity and license are shown first.

27 projects matching “retrieval” · page 1 of 2
infiniflow organisation mark

ragflow

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

Pushed yesterday.Apache License 2.0GoDeveloper tools94.1k+500
pathwaycom organisation mark

llm-app

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.

Pushed 2 days ago.MIT LicenseJupyter NotebookApps58.7k
HKUDS organisation mark

LightRAG

HKUDS/LightRAG

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

Pushed today.MIT LicensePythonApps40.7k+125
VectifyAI organisation mark

PageIndex

VectifyAI/PageIndex

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

Pushed today.MIT LicensePythonApps40.4k+387
chatchat-space organisation mark

Langchain-Chatchat

chatchat-space/Langchain-ChatchatDormant

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

No push in over a year ago.Apache License 2.0PythonApps38.7k
microsoft organisation mark

graphrag

microsoft/graphrag

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

Pushed 4 days ago.MIT LicensePythonApps36.6k+69
onyx-dot-app organisation mark

onyx

onyx-dot-app/onyx

Open Source AI Platform - AI Chat with advanced features that works with every LLM

Pushed today.OtherPythonApps33.4k+133
oraios organisation mark

serena

oraios/serena

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

Pushed 3 days ago.MIT LicensePythonPlugins31.3k+212
labring organisation mark

FastGPT

labring/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.

Pushed today.OtherTypeScriptApps30.0k+38
deepset-ai organisation mark

haystack

deepset-ai/haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

Pushed today.Apache License 2.0PythonDeveloper tools27.0k+67
arc53 organisation mark

DocsGPT

arc53/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.

Pushed today.MIT LicensePythonDeveloper tools18.4k
memvid organisation mark

memvid

memvid/memvidSlowing

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.

Last push 4 months ago.Apache License 2.0RustAgents17.4k+1
Unstructured-IO organisation mark

unstructured

Unstructured-IO/unstructured

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.

Pushed today.Apache License 2.0HTMLApps15.7k
ConardLi organisation mark

garden-skills

ConardLi/garden-skills

ConardLi's open-source Skills collection, featuring web design, knowledge retrieval, image generation, and more.

Pushed 4 days ago.MIT LicenseJavaScriptSkills15.0k
MemTensor organisation mark

MemOS

MemTensor/MemOS

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.

Pushed 2 days ago.Apache License 2.0TypeScriptPlugins12.4k
The-Pocket organisation mark

PocketFlow

The-Pocket/PocketFlowSlowing

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

Last push 4 months ago.MIT LicensePythonDeveloper tools11.3k+15
activeloopai organisation mark

deeplake

activeloopai/deeplakeSlowing

Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.

Last push 6 months ago.Apache License 2.0C++Developer tools9.3k
SciPhi-AI organisation mark

R2R

SciPhi-AI/R2RDormant

SoTA production-ready AI retrieval system. Agentic Retrieval-Augmented Generation (RAG) with a RESTful API.

No push in over a year ago.MIT LicensePythonDeveloper tools8.1k+33
MinishLab organisation mark

semble

MinishLab/semble

Fast and Accurate Code Search for Agents. Uses 99% fewer tokens than grep+read

Pushed 5 days ago.MIT LicensePythonPlugins6.4k+46
Marker-Inc-Korea organisation mark

AutoRAG

Marker-Inc-Korea/AutoRAG

Your Personal Librarian Agent. Ask anything on your computer, organize files, remember important info and files.

Pushed yesterday.Apache License 2.0TypeScriptPlugins5.7k+1
TaskingAI organisation mark

TaskingAI

TaskingAI/TaskingAIDormant

The open source platform for AI-native application development.

No push in over a year ago.Apache License 2.0PythonApps5.4k+1
vitali87 organisation mark

code-graph-rag

vitali87/code-graph-rag

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

Pushed today.MIT LicensePythonPlugins5.4k+37
GiovanniPasq organisation mark

agentic-rag-for-dummies

GiovanniPasq/agentic-rag-for-dummies

A modular Agentic RAG built with LangGraph — learn Retrieval-Augmented Generation Agents in minutes.

Pushed 2 days ago.MIT LicenseJupyter NotebookAgents4.4k+41
tigerless-labs organisation mark

agent-memory

tigerless-labs/agent-memory

Long-term memory runtime for AI agents — plain Markdown as the source of truth, local ranked retrieval, and an independent sleep-time Manage layer. Claude Code and Codex share one store. No API key.

Pushed yesterday.MIT LicensePythonDeveloper tools4.3k
The Great Hall: top open-source AI tools — Techandria