head to head · open source
odysseus vs Swirl Search
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. Swirl Search has 3,046 stars, 286 forks, 1 open issues and last shipped 2 days ago. odysseus leads on adoption by 2,768% (87,371 vs 3,046 stars). odysseus is written in Python under AGPL-3.0; Swirl Search is written in Python under Apache-2.0. odysseus has attracted 1% as many forks as stars, Swirl Search 9%. Swirl Search 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.
← all 15422 open source comparisons
Side by side
| odysseus | Swirl Search | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 3.0K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 907 | ⑂ 286 |
| 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 Swirl Search if
- You want the Swirl Search feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Swirl Search 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 Swirl Search
Swirl Search is an open source federated AI search and retrieval augmented generation (RAG) platform written in Python and built on Django. It lives in the AI and machine learning ecosystem, specifically the AI interaction and interface space, and is distributed under the Apache 2.0 license as SWIRL Community. The project queries more than 100 connected sources live, ranks the combined results, and optionally generates an answer with citations using a large language model of the operator's choice. It ships with the Galaxy UI, the same interface used by the commercial SWIRL Enterprise edition.
read the full Swirl Search overview →
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is odysseus or Swirl Search more popular?
odysseus has 87,371 GitHub stars and Swirl Search has 3,046. odysseus has the larger community by that measure.
Are odysseus and Swirl Search free?
Both are open source. odysseus is licensed under AGPL-3.0 and Swirl Search under Apache-2.0. Neither carries a licence fee.
What is the difference between odysseus and Swirl Search?
odysseus is written in Python and Swirl Search in Python. 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 Swirl Search?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose Swirl Search if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.