head to head · open source
odysseus vs ChatALL
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. ChatALL has 16,496 stars, 1,723 forks, 234 open issues and last shipped 8 days ago. odysseus leads on adoption by 430% (87,371 vs 16,496 stars). odysseus is written in Python under AGPL-3.0; ChatALL is written in JavaScript under Apache-2.0. odysseus has attracted 1% as many forks as stars, ChatALL 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 | ChatALL | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 16K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-17 | 2026-09-11 |
| Forks | ⑂ 907 | ⑂ 1.7K |
| 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 ChatALL if
- You want the ChatALL feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and ChatALL 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 ChatALL
ChatALL is an open source desktop application that sends one prompt to many AI bots concurrently so users can compare answers and discover the best result, and it is built for LLM gurus, LLM researchers, and developers of LLM applications.
read the full ChatALL overview →
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Frequently asked questions
Is odysseus or ChatALL more popular?
odysseus has 87,371 GitHub stars and ChatALL has 16,496. odysseus has the larger community by that measure.
Are odysseus and ChatALL free?
Both are open source. odysseus is licensed under AGPL-3.0 and ChatALL under Apache-2.0. Neither carries a licence fee.
What is the difference between odysseus and ChatALL?
odysseus is written in Python and ChatALL in JavaScript. 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 ChatALL?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose ChatALL if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.