Best Open Source generative ai Libraries

A curated list of the most popular GitHub repositories tagged with generative ai. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1langflow-ai/langflow

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

144,945Python

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#2langchain-ai/langchain

🦜🔗 The platform for reliable agents.

127,110Python

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#3microsoft/generative-ai-for-beginners

21 Lessons, Get Started Building with Generative AI

106,699Jupyter Notebook

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#4rasbt/LLMs-from-scratch

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

85,633Jupyter Notebook

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#5dair-ai/Prompt-Engineering-Guide

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

70,629MDX

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#6microsoft/ai-agents-for-beginners

12 Lessons to Get Started Building AI Agents

50,888Jupyter Notebook

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#7asgeirtj/system_prompts_leaks

Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini

32,374HTML

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#8langchain-ai/langgraph

Build resilient language agents as graphs.

24,913Python

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#9aishwaryanr/awesome-generative-ai-guide

A one stop repository for generative AI research updates, interview resources, notebooks and much more!

24,796HTML

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#10deepset-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.

24,250MDX

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#11wandb/openui

OpenUI let's you describe UI using your imagination, then see it rendered live.

22,050TypeScript

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#12a2aproject/A2A

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

22,021Shell

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#13yamadashy/repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

21,983TypeScript

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#14vercel/ai

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

21,928TypeScript

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#15jina-ai/serve

☁️ Build multimodal AI applications with cloud-native stack

21,830Python

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#16usestrix/strix

Open-source AI hackers to find and fix your app’s vulnerabilities.

20,294Python

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#17coze-dev/coze-studio

An AI agent development platform with all-in-one visual tools, simplifying agent creation, debugging, and deployment like never before. Coze your way to AI Agent creation.

19,897TypeScript

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#18dyad-sh/dyad

Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!

19,661TypeScript

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#19NirDiamant/agents-towards-production

This repository delivers end-to-end, code-first tutorials covering every layer of production-grade GenAI agents, guiding you from spark to scale with proven patterns and reusable blueprints for real-world launches.

17,410Jupyter Notebook

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