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Vallum vs LuLu: catalog facts
Vallum	LuLu
Paid Single licence costs $15 and a five-licence family pack $20, with a 15-day free trial.	Free The open-source software is available without a license fee. Hosting, hardware and…
macOS	macOS
Inbound and outbound per-app filtering with popup alerts Rules by domain, app signature, developer and network conditions	Provides an open-source firewall interface for network access decisions.
macOS only Paid after the 15-day trial	Blocking the wrong connection can interrupt an application's features.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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