head to head · open source
odysseus vs moltis
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. moltis has 2,865 stars, 347 forks, 83 open issues and last shipped yesterday. odysseus leads on adoption by 2,950% (87,371 vs 2,865 stars). odysseus is written in Python under AGPL-3.0; moltis is written in Rust under MIT. odysseus has attracted 1% as many forks as stars, moltis 12%. moltis was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| odysseus | moltis | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 2.9K |
| License | AGPL-3.0 | MIT |
| Written in | Python | Rust |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 907 | ⑂ 347 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick odysseus if
- You weight community size — 87K stars and counting
- You want the AGPL-3.0 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 odysseus
Odysseus is a self hosted AI workspace written in Python and released under the AGPL 3.0 or later licence, built for people who want chat, agents, research, documents, email, notes, tasks, and calendar in one deployment on infrastructure they control.
read the full odysseus 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 odysseus or moltis more popular?
odysseus has 87,371 GitHub stars and moltis has 2,865. odysseus has the larger community by that measure.
Are odysseus and moltis free?
Both are open source. odysseus is licensed under AGPL-3.0 and moltis under MIT. Neither carries a licence fee.
What is the difference between odysseus and moltis?
odysseus 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, odysseus or moltis?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose moltis if its feature set, stack or MIT licence fits better. Both are self-hostable.