GlassWire is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Little Snitch. It's not free, so if you're looking for a free alternative, you could try Sniffnet or LuLu by Objective-See. If that doesn't suit you, our users have ranked more than 50 alternatives to GlassWire and 14 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to GlassWire are NetWorx, Tiny Shield, Net Bar and BitMeter OS.
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
Sniffnet is a network monitoring tool to help you easily keep track of your Internet traffic.
LuLu is the free, shared-source macOS firewall that aims to block unknown outgoing connections unless explicitly approved by the user.
NetWorx is a simple, yet versatile and powerful tool that helps you objectively evaluate your bandwidth consumption situation. You can use it to collect bandwidth usage data and measure the speed of your Internet or any other network connections.
Glasswire can block connections - Networx only reports on them
Tiny Shield keeps your network safe by watching all connections and stopping bad stuff before it can harm your computer. Tiny Shield keeps an eye on everything your Mac connects to, making sure you can see all your internet activity in one place.
Displays real-time network download and upload speeds in the macOS menu bar with detailed Wi-Fi and latency stats, customizable appearance, unit options, no data collection, fully open source, and a native interface for seamless local monitoring.
BitMeter OS keeps track of how much you use your internet/network connection, and allows you to view this information in a variety of ways.
BitMeter OS is just a logger.
This program just monitors my computers network usage. It was perfect for me since I don't need all the features in Glasswire
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.
Radio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.
NetWorker is a lightweight and easy-to-use tool that shows either the current download and upload speed or the session traffic of your network adapter.
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Little Snitch doesn't provide detailed statistics on a longer time base but is more intended for real time. It is however a great application and I would call it a "reverse firewall".