Best Open Source gpt Libraries
A curated list of the most popular GitHub repositories tagged with gpt. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1f/prompts.chat
f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
#2langgenius/dify
Production-ready platform for agentic workflow development.
#3microsoft/generative-ai-for-beginners
21 Lessons, Get Started Building with Generative AI
#4rasbt/LLMs-from-scratch
Implement a ChatGPT-like LLM in PyTorch from scratch, step by step
#5lobehub/lobehub
The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you. We are taking agent harness to the next level — enabling multi-agent collaboration, effortless agent team design, and introducing agents as the unit of work interaction.
#6vllm-project/vllm
A high-throughput and memory-efficient inference and serving engine for LLMs
#7OpenHands/OpenHands
🙌 OpenHands: AI-Driven Development
#8hiyouga/LlamaFactory
Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)
#9xtekky/gpt4free
The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3
#10FoundationAgents/MetaGPT
🌟 The Multi-Agent Framework: First AI Software Company, Towards Natural Language Programming
#11PlexPt/awesome-chatgpt-prompts-zh
ChatGPT 中文调教指南。各种场景使用指南。学习怎么让它听你的话。
#12lencx/ChatGPT
🔮 ChatGPT Desktop Application (Mac, Windows and Linux)
#13janhq/jan
Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.
#14chatboxai/chatbox
Powerful AI Client
#152noise/ChatTTS
A generative speech model for daily dialogue.
#16chatchat-space/Langchain-Chatchat
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
#17chatanywhere/GPT_API_free
Free ChatGPT&DeepSeek API Key，免费ChatGPT&DeepSeek API。免费接入DeepSeek API和GPT4 API，支持 gpt | deepseek | claude | gemini | grok 等排名靠前的常用大模型。
#18pbatard/rufus
The Reliable USB Formatting Utility
#19continuedev/continue
⏩ Source-controlled AI checks, enforceable in CI. Powered by the open-source Continue CLI
#20microsoft/graphrag
A modular graph-based Retrieval-Augmented Generation (RAG) system
#21songquanpeng/one-api
LLM API 管理 & 分发系统，支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型，统一 API 适配，可用于 key 管理与二次分发。单可执行文件，提供 Docker 镜像，一键部署，开箱即用。LLM API management & key redistribution system, unifying multiple providers under a single API. Single binary, Docker-ready, with an English UI.
#22HKUDS/LightRAG
[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"
#23feder-cr/Jobs_Applier_AI_Agent_AIHawk
AIHawk aims to easy job hunt process by automating the job application process. Utilizing artificial intelligence, it enables users to apply for multiple jobs in a tailored way.
#24e2b-dev/awesome-ai-agents
A list of AI autonomous agents
#25AstrBotDevs/AstrBot
Agentic IM Chatbot infrastructure that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨
#26CodePhiliaX/Chat2DB
AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.
#27Skyvern-AI/skyvern
Automate browser based workflows with AI
#28dzhng/deep-research
An AI-powered research assistant that performs iterative, deep research on any topic by combining search engines, web scraping, and large language models. The goal of this repo is to provide the simplest implementation of a deep research agent - e.g. an agent that can refine its research direction overtime and deep dive into a topic.
#29eosphoros-ai/DB-GPT
open-source agentic AI data assistant for the next generation of AI + Data products.
#30vxcontrol/pentagi
✨ Fully autonomous AI Agents system capable of performing complex penetration testing tasks
#31OpenGVLab/InternVL
[CVPR 2024 Oral] InternVL Family: A Pioneering Open-Source Alternative to GPT-4o. 接近GPT-4o表现的开源多模态对话模型
#32liyupi/ai-guide
程序员鱼皮的 AI 资源大全 + Vibe Coding 零基础教程，分享大模型选择指南（DeepSeek / GPT / Gemini / Claude）、最新 AI 资讯、Prompt 提示词大全、AI 知识百科（RAG / MCP / A2A）、AI 编程教程、AI 工具用法（Cursor / Claude Code / OpenClaw / TRAE / Lovable / Agent Skills）、AI 开发框架教程（Spring AI / LangChain）、AI 产品变现指南，帮你快速掌握 AI 技术，走在时代前沿。本项目为开源文档版本，已升级为鱼皮 AI 导航网站
#33friuns2/BlackFriday-GPTs-Prompts
List of free GPTs that doesn't require plus subscription
#34dice2o/BingGPT
Desktop application of new Bing's AI-powered chat (Windows, macOS and Linux)
#35FoundationVision/VAR
[NeurIPS 2024 Best Paper Award][GPT beats diffusion🔥] [scaling laws in visual generation📈] Official impl. of "Visual Autoregressive Modeling: Scalable Image Generation via Next-Scale Prediction". An *ultra-simple, user-friendly yet state-of-the-art* codebase for autoregressive image generation!
#36enricoros/big-AGI
AI suite powered by state-of-the-art models and providing advanced AI/AGI functions. Includes AI personas, AGI functions, world-class Beam multi-model chats, text-to-image, voice, response streaming, code highlighting and execution, PDF import, presets for developers, much more. Deploy on-prem or in the cloud.
#37shibing624/MedicalGPT
MedicalGPT: Training Your Own Medical GPT Model with ChatGPT Training Pipeline. 训练医疗大模型，实现了包括增量预训练(PT)、有监督微调(SFT)、RLHF、DPO、ORPO、GRPO。
#38OpenBMB/AgentVerse
🤖 AgentVerse 🪐 is designed to facilitate the deployment of multiple LLM-based agents in various applications, which primarily provides two frameworks: task-solving and simulation
#39h2oai/h2o-llmstudio
H2O LLM Studio - a framework and no-code GUI for fine-tuning LLMs. Documentation: https://docs.h2o.ai/h2o-llmstudio/
#40tencentmusic/cube-studio
cube studio开源云原生一站式机器学习/深度学习/大模型AI平台，mlops算法链路全流程，算力租赁平台，notebook在线开发，拖拉拽任务流pipeline编排，多机多卡分布式训练，超参搜索，推理服务VGPU虚拟化，边缘计算，标注平台自动化标注，deepseek等大模型sft微调/奖励模型/强化学习训练，vllm/ollama/mindie大模型多机推理，私有知识库，AI模型市场，支持国产cpu/gpu/npu 昇腾生态，支持RDMA，支持pytorch/tf/mxnet/deepspeed/paddle/colossalai/horovod/ray/volcano等分布式
#41mengxi-ream/read-frog
🐸 Read Frog - Open Source Immersive Translate | 🐸 陪读蛙 - 开源沉浸式翻译
#42alibaba/rtp-llm
RTP-LLM: Alibaba's high-performance LLM inference engine for diverse applications.
#43superiorlu/AITreasureBox
🤖 Automatically collected AI repos, tools, websites, papers & tutorials. 实用AI百宝箱 💎
#44kaito-project/aikit
🏗️ Fine-tune, build, and deploy open-source LLMs easily!
#45alistaitsacle/free-llm-api-keys
Free LLM API keys for GPT-5.4, Claude, DeepSeek, Gemini, Grok — copy, paste, use. Updated 3-5x daily. No credit card needed.