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LuLu vs GlassWire: catalog facts
LuLu	GlassWire
Free The open-source software is available without a license fee. Hosting, hardware and…	Freemium A free version is available. Longer history and extra features require a paid licence.
macOS	Windows, Android
Provides an open-source firewall interface for network access decisions.	Visual history makes it obvious which application started talking and when Alerts on first connections and on changes to system network settings
Blocking the wrong connection can interrupt an application's features.	Longer history retention and several features need a paid licence Windows and Android only, closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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