head to head · open source
odysseus vs Scira
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. Scira has 11,908 stars, 1,498 forks, 25 open issues and last shipped 3 months ago. odysseus leads on adoption by 697% (94,935 vs 11,908 stars). odysseus is written in Python under AGPL-3.0; Scira is written in TypeScript under AGPL-3.0. odysseus has attracted 2% as many forks as stars, Scira 13%. 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 | Scira | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 12K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-08-12 |
| Forks | ⑂ 1.9K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick odysseus if
- You weight community size — 95K 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 Scira if
- You want the Scira feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Scira fits your workflow better
About odysseus
A self hosted AI workspace for chat, agents, research, documents, email, notes, calendar, and local model workflows. Quick Start · Setup Guide · Contributing · Roadmap Quick Start dev is the default branch and gets the newest changes first. Use main if you want the more curated branch. Open when the containers are healthy. The first admin password is printed in docker compose logs odysseus . Native installs, GPU notes, Windows/macOS instructions, HTTPS, and configuration live in the setup guide. Features Chat + Agents — local/API models, tools, MCP, files, shell, skills, and memory. Cookbook — hardware aware…
read the full odysseus overview →
About Scira
Scira Research at the speed of thought. The agentic research platform that plans, retrieves, and cites — so you can think faster. Context.dev, One API to fetch the internet Sign up for 500 credits free, no card required. 🔗 Try Scira at scira.ai Powered By How It Works 1. Ask anything — Type a question, upload a PDF, or paste a URL. Pick a mode or let Scira decide for you. 2. Scira plans & retrieves — The agent breaks your question into sub tasks, searches live sources, and cross checks the evidence. 3. Get cited answers — Receive a grounded answer with inline citations. Click any source to verify it yourself…
read the full Scira overview →
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Frequently asked questions
Is odysseus or Scira more popular?
odysseus has 94,935 GitHub stars and Scira has 11,908. odysseus has the larger community by that measure.
Are odysseus and Scira free?
Both are open source. odysseus is licensed under AGPL-3.0 and Scira under AGPL-3.0. Neither carries a licence fee.
What is the difference between odysseus and Scira?
odysseus is written in Python and Scira 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 Scira?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose Scira if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.