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Open WebUI vs Open Notebook: catalog facts
Open WebUI	Open Notebook
Freemium Free to self-host. The project sells an enterprise plan with support and branding rights.	Free Free and open source under the MIT license.
Self-hosted, Web	Web, Self-hosted
One interface for local Ollama models and any OpenAI-compatible API Document upload and retrieval so you can ask questions about your own files	Privacy-focused self-hosted alternative to a well-known proprietary tool MIT licensed with an active Discord community
The licence adds a branding condition, so it is not plain BSD It is a server you have to run, update and secure yourself	Local processing still depends on which model provider is configured Smaller community than the proprietary product it alternatives
Self-hosted, Web application	Self-hosted, Web application
Not stated if open source	Open source
License: Open WebUI License, based on BSD-3-Clause with a branding clause	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.