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macos-firewall

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momenbasel / puresnitch

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Free, open-source application firewall for macOS. Little Snitch alternative with zero telemetry. Native SwiftUI world map, rules manager, DNS over HTTPS, pf-based blocking. Signed, notarized, MIT licensed.

macos swift open-source privacy firewall blocklist mit-license dns-over-https network-security dns-proxy pf macos-app application-firewall network-monitor swiftui little-snitch privacy-tool macos-firewall little-snitch-alternative lulu-alternative
  • Updated Jun 8, 2026
  • Swift

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