head to head · open source
odysseus vs wisp-science
odysseus has 87,371 GitHub stars, 907 forks, 1,233 open issues and last shipped 2 days ago. wisp-science has 1,152 stars, 118 forks, 10 open issues and last shipped yesterday. odysseus leads on adoption by 7,484% (87,371 vs 1,152 stars). odysseus is written in Python under AGPL-3.0; wisp-science is written in Rust under AGPL-3.0. odysseus has attracted 1% as many forks as stars, wisp-science 10%. wisp-science 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 | wisp-science | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 1.2K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Python | Rust |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 907 | ⑂ 118 |
| 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 wisp-science if
- You want the wisp-science feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and wisp-science 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 wisp-science
Wisp Science is an open source, local first desktop AI research workbench that gives scientists and research teams an agentic workspace for literature search, Python and R execution, scientific database queries, and manuscript preparation, all running against their own machines.
read the full wisp-science 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 wisp-science more popular?
odysseus has 87,371 GitHub stars and wisp-science has 1,152. odysseus has the larger community by that measure.
Are odysseus and wisp-science free?
Both are open source. odysseus is licensed under AGPL-3.0 and wisp-science under AGPL-3.0. Neither carries a licence fee.
What is the difference between odysseus and wisp-science?
odysseus is written in Python and wisp-science in Rust. 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 wisp-science?
Choose odysseus if you want the larger community (87,371 stars) or its AGPL-3.0 licence terms. Choose wisp-science if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.