Compare software

Portmaster vs LuLu: catalog facts
Portmaster	LuLu
Freemium Free and open source under the GPL 3.0. Network history search, per-app bandwidth and the…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, Linux	macOS
Blocks known trackers and malware with no configuration Live list of every connection, attributed to the program that made it	Provides an open-source firewall interface for network access decisions.
Windows and Linux only Network history search and bandwidth figures are paid features	Blocking the wrong connection can interrupt an application's features.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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