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GitHub repos

The most-starred open-source AI projects — agent frameworks, local-LLM runtimes, RAG engines, and coding agents. Filter by category or language, then open any repo for its details and related tools. Star counts are approximate (June 2026).

25 repos

n8n

n8n-io/n8n

A workflow-automation platform that combines a visual canvas with custom code and native AI nodes — 400+ integrations to wire agents into real systems.

TypeScript194k

Ollama

ollama/ollama

Pull and run Llama, DeepSeek, Mistral, Qwen, Gemma, and dozens of other open models locally with a single command and a clean API.

Go175k

Awesome ChatGPT Prompts

f/awesome-chatgpt-prompts

A huge community collection of "act as …" prompts (now prompts.chat). Paste a role, get a working persona for ChatGPT, Claude, or any chat model.

HTML164k

Transformers

huggingface/transformers

The de-facto model-definition framework: load, run, and fine-tune state-of-the-art transformers for text, vision, and audio with a unified API.

Python162k

Langflow

langflow-ai/langflow

A visual builder for AI agents and retrieval pipelines — wire up models, tools, and logic on a canvas, then export or serve it as an API.

Python150k

Dify

langgenius/dify

A production-ready platform for building agentic apps: a visual workflow builder, RAG pipelines, model management, and an API to ship from.

TypeScript147k

Open WebUI

open-webui/open-webui

A polished, self-hosted web interface for Ollama and any OpenAI-compatible API, with chat history, RAG, and multi-user support.

Python143k

LangChain

langchain-ai/langchain

A modular framework for building LLM apps — composable chains, agents, memory, and integrations with hundreds of tools and vector stores.

Python140k

Claude Code

anthropics/claude-code

An agentic coding tool that lives in your terminal, understands your whole codebase, and edits files, runs tests, and opens PRs from plain English.

Python135k

llama.cpp

ggml-org/llama.cpp

High-performance LLM inference in plain C/C++ with quantization — the runtime under much of the local-model ecosystem, from laptops to Raspberry Pis.

C++118k

ComfyUI

Comfy-Org/ComfyUI

The most powerful and modular diffusion GUI — a node graph for Stable Diffusion, Flux, and video models, with full control over every step.

Python118k

Generative AI for Beginners

microsoft/generative-ai-for-beginners

21 hands-on lessons that take you from "what is a token" to shipping generative-AI apps, with code in Python and TypeScript.

Jupyter Notebook112k

Gemini CLI

google-gemini/gemini-cli

An open-source command-line agent that brings Gemini’s multimodal model into your terminal for coding, automation, and everyday tasks.

TypeScript106k

Browser Use

browser-use/browser-use

Make websites accessible to AI agents — drive a real browser to click, type, and extract, so agents can automate web tasks end to end.

Python101k

MCP Servers

modelcontextprotocol/servers

The official collection of Model Context Protocol servers — filesystem, git, fetch, and more — that give Claude, Cursor, and other clients real tools.

TypeScript88k

RAGFlow

infiniflow/ragflow

An open-source RAG engine built on deep document understanding — chunking, citations, and agentic retrieval for enterprise knowledge bases.

Go84k

vLLM

vllm-project/vllm

A fast, memory-efficient inference and serving engine using PagedAttention — the production server behind many open-model deployments.

Python84k

OpenHands

OpenHands/OpenHands

An AI developer (formerly OpenDevin) that writes code, runs commands, browses the web, and fixes its own mistakes inside a sandbox.

Python78k

Prompt Engineering Guide

dair-ai/Prompt-Engineering-Guide

Guides, papers, lectures, and notebooks covering prompt and context engineering techniques — few-shot, chain-of-thought, ReAct, and beyond.

MDX76k

OpenAI Cookbook

openai/openai-cookbook

Official examples and guides for common tasks with the OpenAI API — embeddings, function calling, evals, and retrieval.

Jupyter Notebook74k

AutoGen

microsoft/autogen

A programming framework for agentic AI where multiple agents collaborate, call tools, and hand off tasks to solve problems together.

Python59k

CrewAI

crewAIInc/crewAI

A framework for orchestrating autonomous agents with defined roles, goals, and tools that collaborate as a "crew" on a shared task.

Python54k

LlamaIndex

run-llama/llama_index

A data framework for LLM apps — ingest, index, and query documents, then build retrieval and document-agent workflows on top.

Python50k

Claude Cookbooks

anthropics/claude-cookbooks

A collection of notebooks showing effective patterns with Claude — tool use, sub-agents, retrieval, vision, and prompt-caching recipes.

Jupyter Notebook46k

Fabric

danielmiessler/fabric

An open framework for augmenting humans with AI: a library of reusable prompt patterns (summarize, extract wisdom, write essays) you can pipe into from the terminal.

Go43k