head to head · open source
nanobot vs open-duet
nanobot has 49,290 GitHub stars, 8,668 forks, 775 open issues and last shipped yesterday. open-duet has 6,059 stars, 748 forks, 2 open issues and last shipped yesterday. nanobot leads on adoption by 714% (49,290 vs 6,059 stars). nanobot is written in Python under MIT; open-duet is written in Python under Apache-2.0. nanobot has attracted 18% as many forks as stars, open-duet 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 (ai-agent), 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 | open-duet | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 6.1K |
| License | MIT | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-10-23 | 2026-10-23 |
| Forks | ⑂ 8.7K | ⑂ 748 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 49K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick open-duet if
- You want the open-duet feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and open-duet 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 open-duet
Open Duet: Open Source AI Coworkers You Run Yourself Open Duet is an open source, self hosted workspace for AI coworkers: named agents that each have a job, instructions, memory, their own workspace and isolated computer, a schedule, and a human approval step before they do anything risky. You chat with them in a browser, a desktop app or Telegram, hand them recurring routines, and keep their data and credentials on your own machine or server. It is an open alternative to Claude Duet and to other paid AI agent products such as OpenAI Dots, Meta Muse, Grok Bot, Instinct, Manus Cue, Claude Cowork, and ChatGPT…
read the full open-duet overview →
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Frequently asked questions
Is nanobot or open-duet more popular?
nanobot has 49,290 GitHub stars and open-duet has 6,059. nanobot has the larger community by that measure.
Are nanobot and open-duet free?
Both are open source. nanobot is licensed under MIT and open-duet under Apache-2.0. Neither carries a licence fee.
What is the difference between nanobot and open-duet?
nanobot is written in Python and open-duet in Python. 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 open-duet?
Choose nanobot if you want the larger community (49,290 stars) or its MIT licence terms. Choose open-duet if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.