head to head · open source
odysseus vs BotSharp
odysseus has 94,935 GitHub stars, 1,862 forks, 1,233 open issues and last shipped yesterday. BotSharp has 3,116 stars, 657 forks, 48 open issues and last shipped yesterday. odysseus leads on adoption by 2,947% (94,935 vs 3,116 stars). odysseus is written in Python under AGPL-3.0; BotSharp is written in C# under Apache-2.0. odysseus has attracted 2% as many forks as stars, BotSharp 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 | BotSharp | |
|---|---|---|
| GitHub stars | ★ 95K | ★ 3.1K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 657 |
| 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 BotSharp if
- You want the BotSharp feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C#
- You evaluated both and BotSharp 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 BotSharp
The Open Source AI Agent Application Framework Connect LLMs to your existing application focused on your business "Conversation as a platform (CaaP) is the future, so it's perfect that we're already offering the whole toolkits to our .NET developers using the BotSharp AI BOT Platform Builder to build a CaaP. It opens up as much learning power as possible for your own robots and precisely control every step of the AI processing pipeline." BotSharp is an open source machine learning framework for AI Bot platform builder. This project involves natural language understanding, computer vision and audio processing…
read the full BotSharp overview →
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Frequently asked questions
Is odysseus or BotSharp more popular?
odysseus has 94,935 GitHub stars and BotSharp has 3,116. odysseus has the larger community by that measure.
Are odysseus and BotSharp free?
Both are open source. odysseus is licensed under AGPL-3.0 and BotSharp under Apache-2.0. Neither carries a licence fee.
What is the difference between odysseus and BotSharp?
odysseus is written in Python and BotSharp in C#. 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 BotSharp?
Choose odysseus if you want the larger community (94,935 stars) or its AGPL-3.0 licence terms. Choose BotSharp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.