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Ollamac vs Open WebUI: catalog facts
Ollamac	Open WebUI
Free Free and open source, distributed only through the official GitHub repository.	Freemium Free to self-host. The project sells an enterprise plan with support and branding rights.
macOS	Self-hosted, Web
Native macOS interface for Ollama models Free, with no commercial edition	One interface for local Ollama models and any OpenAI-compatible API Document upload and retrieval so you can ask questions about your own files
Mac only, and requires macOS 14 Sonoma or later Needs Ollama installed separately with a model already pulled	The licence adds a branding condition, so it is not plain BSD It is a server you have to run, update and secure yourself
Downloadable app	Self-hosted, Web application
Open source	Not stated if open source
License not stated	License: Open WebUI License, based on BSD-3-Clause with a branding clause
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

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