head to head · open source
odysseus vs kelivo
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. kelivo has 3,977 stars, 438 forks, 467 open issues and last shipped 2 days ago. odysseus leads on adoption by 2,097% (87,371 vs 3,977 stars). odysseus is written in Python under AGPL-3.0; kelivo is written in Dart under AGPL-3.0. odysseus has attracted 1% as many forks as stars, kelivo 11%. 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 | kelivo | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 4.0K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Python | Dart |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 907 | ⑂ 438 |
| 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 kelivo if
- You want the kelivo feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Dart
- You evaluated both and kelivo 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 kelivo
Kelivo is an open source, cross platform LLM chat client built with Flutter for Android, iOS, macOS, Windows and Linux that lets users connect their own API keys across OpenAI, Gemini, Claude, DeepSeek, OpenRouter and any OpenAI compatible service without switching apps, aimed at people who want that range of models while keeping conversations, settings and files on their own device.
read the full kelivo overview →
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Frequently asked questions
Is odysseus or kelivo more popular?
odysseus has 87,371 GitHub stars and kelivo has 3,977. odysseus has the larger community by that measure.
Are odysseus and kelivo free?
Both are open source. odysseus is licensed under AGPL-3.0 and kelivo under AGPL-3.0. Neither carries a licence fee.
What is the difference between odysseus and kelivo?
odysseus is written in Python and kelivo 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, odysseus or kelivo?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose kelivo if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.