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LuLu vs Vallum: catalog facts
LuLu	Vallum
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid Single licence costs $15 and a five-licence family pack $20, with a 15-day free trial.
macOS	macOS
Provides an open-source firewall interface for network access decisions.	Inbound and outbound per-app filtering with popup alerts Rules by domain, app signature, developer and network conditions
Blocking the wrong connection can interrupt an application's features.	macOS only Paid after the 15-day trial
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	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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