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Intego Mac Internet SecurityLuLu
Paid

Paid subscription with a 30-day money-back guarantee.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

macOS macOS
  • Built specifically for macOS
  • Firewall can block apps from connecting without permission
  • Provides an open-source firewall interface for network access decisions.
  • Paid subscription only
  • Mac-focused; not for other platforms
  • 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
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 22, 2026

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