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AI Chatbots

Self-hosted chat UIs and assistants — open alternatives to ChatGPT and Claude web apps.

195 projects

See methodology for ranking rules; order uses public GitHub metrics within this scenario.

1–20 of 195

Rank Project Stars Forks
1 open-webui

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

150.3K 22.0K
2 NextChat

✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

88.7K 59.2K
3 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

66.6K 13.5K
4 system_prompts_leaks

Extracted system prompts from Anthropic - Claude Fable 5, Opus 5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-5.6-Sol, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

63.8K 10.5K
5 cherry-studio

AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

51.2K 4.9K
6 LibreChat

Enhanced open-source ChatGPT clone with multi-model support, agents, MCP, and secure self-hosting.

42.6K 8.8K
7 jan

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

44.3K 3.0K
8 AstrBot

AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨

39.8K 2.9K
9 ChatGPT

❄️ ChatGPT Desktop Application (Mac, Windows and Linux)

54.5K 6.1K
10 chatbox

Powerful AI Client

41.6K 4.2K
11 SillyTavern

LLM Frontend for Power Users.

32.8K 6.2K
12 khoj

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

36.8K 2.4K
13 rasa

💬 Open source machine learning framework to automate text- and voice-based conversations: NLU, dialogue management, connect to Slack, Facebook, and more - Create chatbots and voice assistants

21.3K 4.9K
14 Open-Assistant

OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamically to do so.

37.4K 3.3K
15 python-telegram-bot

We have made you a wrapper you can't refuse

29.4K 6.1K
16 xiaozhi-esp32

An MCP-based chatbot

29.4K 6.8K
17 chatbot-ui

AI chat for any model.

33.3K 9.4K
18 chatbot

A full-featured, hackable Next.js AI chatbot built by Vercel

20.9K 6.7K
19 nonebot2

跨平台 Python 异步聊天机器人框架 / Asynchronous multi-platform chatbot framework written in Python

7.7K 663
20 voyager

Enhancement suite for Gemini, AI Studio, Claude & ChatGPT — plus a prompt manager for any web UI, DeepSeek Harness included. / 面向 Gemini、AI Studio、Claude 与 ChatGPT 的增强套件；提示词管理器可用于任意 Web UI，含 DeepSeek Harness。

19.9K 658
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