Best Open Source llms Libraries

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

#1ollama/ollama

Get up and running with Kimi-K2.5, GLM-5, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

163,068Go

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#2open-webui/open-webui

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

124,513Python

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#3microsoft/generative-ai-for-beginners

21 Lessons, Get Started Building with Generative AI

106,699Jupyter Notebook

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#4Shubhamsaboo/awesome-llm-apps

Collection of awesome LLM apps with AI Agents and RAG using OpenAI, Anthropic, Gemini and opensource models.

96,413Python

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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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#6unslothai/unsloth

Fine-tuning & Reinforcement Learning for LLMs. 🦥 Train OpenAI gpt-oss, DeepSeek, Qwen, Llama, Gemma, TTS 2x faster with 70% less VRAM.

52,562Python

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#7GokuMohandas/Made-With-ML

Learn how to design, develop, deploy and iterate on production-grade ML applications.

46,391Jupyter Notebook

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#8crewAIInc/crewAI

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

44,400Python

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#9LC044/WeChatMsg

40,546

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#10mindsdb/mindsdb

Federated Query Engine for AI - The only MCP Server you'll ever need

38,551Python

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#11666ghj/BettaFish

微舆：人人可用的多Agent舆情分析助手，打破信息茧房，还原舆情原貌，预测未来走向，辅助决策！从0实现，不依赖任何框架。

35,654Python

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#12TabbyML/tabby

Self-hosted AI coding assistant

32,903Rust

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#13microsoft/graphrag

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

31,009Python

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#14patchy631/ai-engineering-hub

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

30,364Jupyter Notebook

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#15chroma-core/chroma

Open-source search and retrieval database for AI applications.

26,222Rust

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#16NirDiamant/RAG_Techniques

This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. RAG systems combine information retrieval with generative models to provide accurate and contextually rich responses.

25,520Jupyter Notebook

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#17assafelovic/gpt-researcher

An autonomous agent that conducts deep research on any data using any LLM providers.

25,371Python

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#18Cinnamon/kotaemon

An open-source RAG-based tool for chatting with your documents.

25,145Python

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#19aishwaryanr/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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#20PrefectHQ/fastmcp

🚀 The fast, Pythonic way to build MCP servers and clients.

23,038Python

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#21getzep/graphiti

Build Real-Time Knowledge Graphs for AI Agents

22,975Python

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#22HandsOnLLM/Hands-On-Large-Language-Models

Official code repo for the O'Reilly Book - "Hands-On Large Language Models"

22,477Jupyter Notebook

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#23browserbase/stagehand

The AI Browser Automation Framework

21,196TypeScript

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#24oraios/serena

A powerful coding agent toolkit providing semantic retrieval and editing capabilities (MCP server & other integrations)

20,457Python

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#25charmbracelet/crush

Glamourous agentic coding for all 💘

20,244Go

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#26NirDiamant/GenAI_Agents

This repository provides tutorials and implementations for various Generative AI Agent techniques, from basic to advanced. It serves as a comprehensive guide for building intelligent, interactive AI systems.

20,075Jupyter Notebook

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#27dyad-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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#28humanlayer/12-factor-agents

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

18,290TypeScript

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#29transitive-bullshit/agentic

Your API ⇒ Paid MCP. Instantly.

18,129TypeScript

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#30google/adk-python

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

17,877Python

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#31NirDiamant/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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