head to head · open source
odysseus vs ctxport
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. ctxport has 637 stars, 135 forks, 9 open issues and last shipped 7 months ago. odysseus leads on adoption by 13,616% (87,371 vs 637 stars). odysseus is written in Python under AGPL-3.0; ctxport is written in TypeScript under MIT. odysseus has attracted 1% as many forks as stars, ctxport 21%. 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 | ctxport | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 637 |
| License | AGPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-03-04 |
| Forks | ⑂ 907 | ⑂ 135 |
| 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 ctxport if
- You want the ctxport feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and ctxport 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 ctxport
CtxPort is a TypeScript, MIT licensed Chrome extension for developers, researchers, and anyone who works across several AI chat tools and needs to move a full conversation out of ChatGPT, Claude, Gemini, DeepSeek, Grok, Doubao, or GitHub as clean, structured Markdown rather than a mess of copied HTML.
read the full ctxport overview →
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Frequently asked questions
Is odysseus or ctxport more popular?
odysseus has 87,371 GitHub stars and ctxport has 637. odysseus has the larger community by that measure.
Are odysseus and ctxport free?
Both are open source. odysseus is licensed under AGPL-3.0 and ctxport under MIT. Neither carries a licence fee.
What is the difference between odysseus and ctxport?
odysseus is written in Python and ctxport in TypeScript. 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 ctxport?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose ctxport if its feature set, stack or MIT licence fits better. Both are self-hostable.