head to head · open source
odysseus vs AstrBot
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. AstrBot has 45,662 stars, 3,350 forks, 1,516 open issues and last shipped yesterday. odysseus leads on adoption by 108% (94,935 vs 45,662 stars). odysseus is written in Python under AGPL-3.0; AstrBot is written in Python under AGPL-3.0. odysseus has attracted 2% as many forks as stars, AstrBot 7%. 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.
← all 20902 open source comparisons
Side by side
| odysseus | AstrBot | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 46K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 3.4K |
| 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 AstrBot if
- You want the AstrBot feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and AstrBot 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 AstrBot
简体中文 | 繁體中文 | 日本語 | Français | Español | Русский Documentation | Blog | Roadmap | Issue Tracker | Email Support AstrBot is an open source all in one Agent chatbot platform that integrates with mainstream instant messaging apps. It provides reliable and scalable conversational AI infrastructure for individuals, developers, and teams. Whether you're building a personal AI companion, intelligent customer service, automation assistant, or enterprise knowledge base, AstrBot enables you to quickly build production ready AI applications within your IM platform workflows. Key Features 1. 💯 Free & Open Source. 2. ✨ AI…
read the full AstrBot 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 AstrBot more popular?
odysseus has 94,935 GitHub stars and AstrBot has 45,662. odysseus has the larger community by that measure.
Are odysseus and AstrBot free?
Both are open source. odysseus is licensed under AGPL-3.0 and AstrBot under AGPL-3.0. Neither carries a licence fee.
What is the difference between odysseus and AstrBot?
odysseus is written in Python and AstrBot 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 AstrBot?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose AstrBot if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.