Apps similar to WhaleWall include Wireshark, which is free and open source. Other options are Portmaster, AdGuard, Pi-hole and simplewall. You can choose from more than 10 Firewalls like WhaleWall for Mac, Windows, Linux, Android and iPhone.
As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.
Austria
EU
Lockdown Privacy is an Open Source and free firewall for your iOS device. We built the product to help protect users from app developers and analytics companies that are monetizing user data without consent or transparency.
United States
Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.
FinlandEU
Outbound firewall for apps, blocking apps from accessing internet. Useful for reducing data usage when tethering to mobile data, or on a slower wifi connection.
Switzerland
Keep the Apple Silicon version, trash the x86_64. Duplicate apps, ready for deletion. AppVoid shows which app is the newest and best to keep, personalized for your Mac. Identify the technology running behind any apps user interface, whether it's SwiftUI, Object Pascal, wxWidgets etc.
United States
spectraNET is a free per-application network monitor for macOS, Windows and Linux. It measures every connection of every program and shows which apps use the network, how much, with whom, and whether anything looks suspicious, as an animated 2.5D city or a 2D map.
ItalyEU
As Apple's built-in Firewall preferences improves in both functionality and security, I will be aiming Flying Buttress more at users who need the advanced firewall configuration, logging, and IP sharing options found in Flying Buttress.
DataCever allows you to monitor and control internet traffic , allowing you to know what consumes your data plan.
Germany
