head to head · open source
nanobot vs wechaty
nanobot has 49,766 GitHub stars, 8,713 forks, 775 open issues and last shipped yesterday. wechaty has 23,476 stars, 2,908 forks, 198 open issues and last shipped 11 months ago. nanobot leads on adoption by 112% (49,766 vs 23,476 stars). nanobot is written in Python under MIT; wechaty is written in TypeScript under Apache-2.0. nanobot has attracted 18% as many forks as stars, wechaty 12%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatbot), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| nanobot | wechaty | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 23K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2025-12-21 |
| Forks | ⑂ 8.7K | ⑂ 2.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 50K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick wechaty if
- You want the wechaty feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and wechaty fits your workflow better
About nanobot
English 简体中文 繁體中文 Español Français Bahasa Indonesia 日本語 한국어 Русский Tiếng Việt Discord · X · WeChat / Feishu nanobot 🐈 nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python. It runs in a WebUI, terminal, or chat apps and combines tools, long term memory, MCP integrations, model routing, multi agent delegation, scheduled automation, and an OpenAI compatible API in a small, readable core. Start Here What can nanobot do? nanobot is a self hosted personal AI agent runtime. It can: run in a browser WebUI or terminal connect to Telegram, Discord, Slack, WeChat, Email…
read the full nanobot overview →
About wechaty
Wechaty Ship.Fail PreAngel Elevator Pitch Wechaty is a conversational RPA SDK that simplifies the process of building chatbots. It's like a Swiss Army knife for chatbot development, providing a universal interface to various messaging platforms such as WhatsApp, WeChat, and more. With Wechaty, you write your bot code once, and it runs on any of the supported platforms. This means you can focus on creating engaging conversational experiences without worrying about the underlying complexities of each platform's API. It's open source, easy to use, and backed by a vibrant community that's ready to help you bring…
read the full wechaty overview →
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Frequently asked questions
Is nanobot or wechaty more popular?
nanobot has 49,766 GitHub stars and wechaty has 23,476. nanobot has the larger community by that measure.
Are nanobot and wechaty free?
Both are open source. nanobot is licensed under MIT and wechaty under Apache-2.0. Neither carries a licence fee.
What is the difference between nanobot and wechaty?
nanobot is written in Python and wechaty in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, nanobot or wechaty?
Choose nanobot if you want the larger community (49,766 stars) or its MIT licence terms. Choose wechaty if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.