head to head · open source
odysseus vs Fullmoon
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. Fullmoon has 2,271 stars, 222 forks, 45 open issues and last shipped 1.5 years ago. odysseus leads on adoption by 4,080% (94,935 vs 2,271 stars). odysseus is written in Python under AGPL-3.0; Fullmoon is written in Swift under MIT. odysseus has attracted 2% as many forks as stars, Fullmoon 10%. odysseus 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 | Fullmoon | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 2.3K |
| License | AGPL-3.0 | MIT |
| Written in | Python | Swift |
| Last push | 2026-11-02 | 2025-05-05 |
| Forks | ⑂ 1.9K | ⑂ 222 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick odysseus if
- You weight community size — 95K 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 Fullmoon if
- You want the Fullmoon feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and Fullmoon fits your workflow better
About odysseus
A self hosted AI workspace for chat, agents, research, documents, email, notes, calendar, and local model workflows. Quick Start · Setup Guide · Contributing · Roadmap Quick Start dev is the default branch and gets the newest changes first. Use main if you want the more curated branch. Open when the containers are healthy. The first admin password is printed in docker compose logs odysseus . Native installs, GPU notes, Windows/macOS instructions, HTTPS, and configuration live in the setup guide. Features Chat + Agents — local/API models, tools, MCP, files, shell, skills, and memory. Cookbook — hardware aware…
read the full odysseus overview →
About Fullmoon
fullmoon iOS fullmoon is an iOS app to chat with local large language models that’s optimized for Apple silicon and works on iPhone, iPad, and Mac. your chat history is saved locally, and you can customize the appearance of the app. supported models [x] Llama 3.2 1B [x] Llama 3.2 3B [x] DeepSeek R1 Distill Qwen 1.5B 4bit credits fullmoon is made possible by MLX Swift from Apple. MLX is an array framework for machine learning research on Apple silicon.
read the full Fullmoon overview →
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Frequently asked questions
Is odysseus or Fullmoon more popular?
odysseus has 94,935 GitHub stars and Fullmoon has 2,271. odysseus has the larger community by that measure.
Are odysseus and Fullmoon free?
Both are open source. odysseus is licensed under AGPL-3.0 and Fullmoon under MIT. Neither carries a licence fee.
What is the difference between odysseus and Fullmoon?
odysseus is written in Python and Fullmoon in Swift. 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 Fullmoon?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose Fullmoon if its feature set, stack or MIT licence fits better. Both are self-hostable.