1.LibreChat-AI / LibreChatEnhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Activeaichatgptclonechatgpt-clonelibrechatanthropic+14 moreTypeScriptMIT47K total9.6K forks+1,490 starsfrom 45,127 · score 7.31