head to head · open source
nanobot vs moltis
nanobot has 48,372 GitHub stars, 8,548 forks, 775 open issues and last shipped today. moltis has 2,866 stars, 348 forks, 83 open issues and last shipped 2 days ago. nanobot leads on adoption by 1,588% (48,372 vs 2,866 stars). nanobot is written in Python under MIT; moltis is written in Rust under MIT. nanobot has attracted 18% as many forks as stars, moltis 12%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agent, mcp), 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 | moltis | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 2.9K |
| License | MIT | MIT |
| Written in | Python | Rust |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 8.5K | ⑂ 348 |
| 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 moltis if
- You want the moltis feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and moltis 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 moltis
Moltis is a secure persistent personal agent server written in Rust and released under the MIT license. It lives in the Rust AI agent and self hosted assistant ecosystem, and it presents itself as one binary that runs on user owned hardware. The project targets a personal agent that can keep state across sessions, call language models from multiple providers, and expose its behavior through chat channels and tools without relying on a hosted service.
read the full moltis overview →
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Frequently asked questions
Is nanobot or moltis more popular?
nanobot has 48,372 GitHub stars and moltis has 2,866. nanobot has the larger community by that measure.
Are nanobot and moltis free?
Both are open source. nanobot is licensed under MIT and moltis under MIT. Neither carries a licence fee.
What is the difference between nanobot and moltis?
nanobot is written in Python and moltis in Rust. 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 moltis?
Choose nanobot if you want the larger community (48,372 stars) or its MIT licence terms. Choose moltis if its feature set, stack or MIT licence fits better. Both are self-hostable.