GlassWire is described as 'Visualizes network activity, alerts on suspicious behavior, manages firewall rules, reports new app connections, and identifies potential threats' and is a very popular Network Monitor in the network & admin category. There are more than 50 alternatives to GlassWire for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best GlassWire alternative is Portmaster, which is both free and Open Source. Other great apps like GlassWire are simplewall, Little Snitch, TrafficMonitor and Fort Firewall.
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.
Minimal Firewall is a portable Windows firewall frontend that alerts users to internet connections without requiring custom kernel modifications or disabling core isolation, striking a balance between TinyWall's security and SimpleWall's functionality.
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.
NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar designed to be used on computers that run Windows XP, Windows Server 2003, Windows Vista or Windows 7. With NetSpeedMonitor you can monitor the current speed (up- and downstream) of your Network...
Glasswire is a firewall and logging tool, Netspeedmonitor only monitors current connection speed
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
NetBalancer is an internet traffic control and monitoring tool designed for Win7/8/10.
A lightweight, highly customizable system tray application that monitors and displays real-time network speeds for Windows.
Free Firewall is a full-featured professional firewall that protects against the threats of the Internet. Control every program on your computer by permit or deny access to the Internet. Free firewall notifies you when applications want to access the Internet in the background...
Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to visualize and handle incoming or outgoing connections.
“Data Monitor" is a user-friendly, free and open source app for you to manage your data usage. “Data Monitor" helps you to accurately measure your daily data traffic, and analyze the data in a way easy to understand.
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.
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Glasswire can block connections - Networx only reports on them