head to head · open source
nanobot vs reins
nanobot has 49,041 GitHub stars, 8,630 forks, 775 open issues and last shipped today. reins has 550 stars, 91 forks, 19 open issues and last shipped yesterday. nanobot leads on adoption by 8,817% (49,041 vs 550 stars). nanobot is written in Python under MIT; reins is written in Dart under GPL-3.0. nanobot has attracted 18% as many forks as stars, reins 17%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (local-llm), 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 | reins | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 550 |
| License | MIT | GPL-3.0 |
| Written in | Python | Dart |
| Last push | 2026-10-15 | 2026-10-14 |
| Forks | ⑂ 8.6K | ⑂ 91 |
| 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 reins if
- You want the reins feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Dart
- You evaluated both and reins 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 reins
Reins is a private, local AI chat app for iPhone, iPad and Mac that connects to Ollama, LM Studio or any OpenAI compatible server, or runs MLX and Apple Foundation Models on device, and it is built for Apple users who want LLM conversations without an account, without cloud uploads and without data collection.
read the full reins overview →
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Frequently asked questions
Is nanobot or reins more popular?
nanobot has 49,041 GitHub stars and reins has 550. nanobot has the larger community by that measure.
Are nanobot and reins free?
Both are open source. nanobot is licensed under MIT and reins under GPL-3.0. Neither carries a licence fee.
What is the difference between nanobot and reins?
nanobot is written in Python and reins in Dart. 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 reins?
Choose nanobot if you want the larger community (49,041 stars) or its MIT licence terms. Choose reins if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.