Odysseus is a self-hosted AI workspace that combines chat and agents with research, documents, email, notes and calendar.
Agents can use local or API models with tools, MCP servers, files, a shell, skills and memory, and the whole stack runs from Docker Compose with an official multi-arch image.
- 01
Chat and agents over local or API models with tools, MCP, files, shell, skills and memory
- 02
Deep Research mode for multi-step web research with source reading and generated reports
- 03
Blind side-by-side model comparison and a hardware-aware Cookbook for downloading and serving models
- 04
Writing-first document editor with AI edits and suggestions for Markdown, HTML and CSV
- 05
IMAP/SMTP email triage, notes, tasks and CalDAV calendar with scheduled agent tasks
Open Source
Odysseus is free and open source under AGPL-3.0-or-later and is self-hosted; costs come only from your own hardware and any third-party model APIs you connect.
Best for
Developers and homelab users who want one private, self-hosted workspace for agents, local models and everyday knowledge work.
Not ideal for
Teams that want a managed SaaS assistant or an IDE-embedded coding agent without running their own server.
A feature-rich, open-source alternative to hosted AI assistants for people who want agents and local models on their own hardware.
The odysseus-dev/odysseus repository passed 92,000 GitHub stars and was still receiving commits on its dev branch in early October 2026; images are published to ghcr.io/odysseus-dev/odysseus on every push to main and dev.
As of
Is Odysseus free?+
Yes - Odysseus is Open Source. Odysseus is free and open source under AGPL-3.0-or-later and is self-hosted; costs come only from your own hardware and any third-party model APIs you connect.
Is Odysseus open source?+
Yes - Odysseus is open source. Odysseus is free and open source under AGPL-3.0-or-later and is self-hosted; costs come only from your own hardware and any third-party model APIs you connect.
Who is Odysseus best for?+
Developers and homelab users who want one private, self-hosted workspace for agents, local models and everyday knowledge work.
Who is Odysseus not ideal for?+
Teams that want a managed SaaS assistant or an IDE-embedded coding agent without running their own server.
What are the best Odysseus alternatives?+
The closest Odysseus alternatives on ai.dosa.dev are Claude, ChatGPT, Gemini - all listed under General-Purpose AI Assistants (with Strong Coding Capability).
Who makes Odysseus?+
Odysseus is developed by odysseus-dev. It is listed in the General-Purpose AI Assistants (with Strong Coding Capability) category on ai.dosa.dev.
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