head to head · open source
nanobot vs wechaty
nanobot has 48,274 GitHub stars, 8,533 forks, 775 open issues and last shipped yesterday. wechaty has 23,269 stars, 2,879 forks, 198 open issues and last shipped 9 months ago. nanobot leads on adoption by 107% (48,274 vs 23,269 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 | ★ 48K | ★ 23K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2025-12-21 |
| Forks | ⑂ 8.5K | ⑂ 2.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 48K 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
nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python, aimed at individual developers and small teams who want to run their own agent through a browser WebUI, a terminal, or chat apps instead of renting a hosted assistant.
read the full nanobot overview →
About wechaty
Wechaty is an open source conversational RPA (Robotic Process Automation) SDK for chatbot makers, written in TypeScript and released under the Apache 2.0 license. It lives in the Node.js and npm ecosystem, and it presents itself as a universal interface to messaging platforms such as WhatsApp and WeChat, with support for additional platforms. The project has been developed for roughly ten years, carries more than 23,000 stars and 2,800 forks on GitHub, and its documentation and community hub live at wechaty.js.org.
read the full wechaty overview →
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Frequently asked questions
Is nanobot or wechaty more popular?
nanobot has 48,274 GitHub stars and wechaty has 23,269. 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 (48,274 stars) or its MIT licence terms. Choose wechaty if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.