LLM apps

Open-source LLM apps and frameworks

This is the broadest group: chat interfaces, SDKs and frameworks, prompt and evaluation tools, and applications built on large language models. Many work with models from several providers, and some can run models on your own hardware.

How to choose

For anything you plan to ship, check three facts first: the licence, because some popular projects restrict commercial use; whether it supports the model provider you already use; and whether it is still maintained. The At a glance box on every project page answers the licence and maintenance questions from GitHub data.

Most-starred projects

289–312 of 3,650

EKKOLearnAI

hermes-studio

★ 11,091

Web dashboard for Hermes Agent — multi-platform AI chat, session management, scheduled jobs, usage analytics

TypeScript

aden-hive

hive

★ 11,045

Multi-Agent Harness for Production AI

Python

huggingface

tokenizers

★ 11,036

💥 Fast State-of-the-Art Tokenizers optimized for Research and Production

Rust

huggingface

chat-ui

★ 10,951

The open source codebase powering HuggingChat

TypeScript

openvinotoolkit

openvino

★ 10,857

OpenVINO™ is an open source toolkit for optimizing and deploying AI inference

C++

KalyanKS-NLP

llm-engineer-toolkit

★ 10,787

A curated list of 120+ LLM libraries category wise.

sashabaranov

go-openai

★ 10,765

OpenAI, GPT 5.6, GPT-Image-2, Whisper API clients for Go

OpenPipe

ART

★ 10,722

Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen3.6, GPT-OSS, Llama, and more!

Python

openai

codex-security

★ 10,720

OpenAI's Codex Security CLI and TypeScript SDK for finding, validating, and fixing security vulnerabilities. npm: https://www.npmjs.com/package/@openai/codex-security

TypeScript

langchain-ai

open-swe

★ 10,719

An Open-Source Asynchronous Coding Agent

Python

mcp-use

★ 10,634

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

TypeScript

VoltAgent

voltagent

★ 10,624

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

TypeScript

skypilot-org

skypilot

★ 10,603

The AI Compute Platform for frontier teams. SkyPilot turns fragmented AI compute into one AI supercomputer, so frontier AI teams build custom intelligence faster.

Python

JOYCEQL

magic-resume

★ 10,553

free online AI resume editor，the only official website is https://magicv.art

TypeScript

RunanywhereAI

runanywhere-sdks

★ 10,283

Production ready toolkit to run AI locally

C++

astrid-runtime

astrid

★ 10,274

Astrid is a portable, capability-secure operating system for composable software.

Rust

Netflix

metaflow

★ 10,268

Build, Manage and Deploy AI/ML Systems

Python

chaitin

PandaWiki

★ 10,247

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。.

TypeScript

Mooler0410

LLMsPracticalGuide

★ 10,206

A curated list of practical guide resources of LLMs (LLMs Tree, Examples, Papers)

ykdojo

claude-code-tips

★ 10,091

45+ tips for getting the most out of Claude Code, from basics to advanced - includes a custom status line script and Claude Code running itself in a container. Also includes the dx plugin: skills for everyday dev workflows.

HTML

omnigent-ai

omnigent

★ 9,937

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents, swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

Python