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Fellou vs BrowserOS: catalog facts
Fellou	BrowserOS
Freemium Free to download, with paid plans for heavier agent use.	Free Free and open source.
Windows, macOS	Windows, macOS, Linux
Agent can run multi-step tasks across several websites Shows an editable action plan before it acts	Built-in AI agents that act on web pages Can use local models instead of a cloud service
Browser itself is closed source Agent actions depend on AI services and an internet connection	Agent features are new and still changing quickly Local models need capable hardware to run well
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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