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, Fort Firewall, Little Snitch and TrafficMonitor.
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.
United Kingdom
Free shared-source firewall for macOS blocking unknown outbound connections unless approved, alerts for unauthorized activity, helps detect malware, blocks OS or app data transmissions, no ads or tracking, audit-ready code on GitHub, enterprise event monitoring.
United States
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.
United States
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...
Germany
EU
A lightweight, highly customizable system tray application that monitors and displays real-time network speeds for Windows.
Monitors all network activity on Mac, blocks specific domains, websites, or entire apps, shows hostnames instead of IPs, supports DNS over HTTPS, provides traffic charts, uses fast system extension, developer-friendly, one-time purchase with no subscription required.
United States
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.
India
“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.
United States
NetBalancer is an internet traffic control and monitoring tool designed for Win7/8/10.
RomaniaEU
Shows live network bandwidth statistics, tracks uploads and downloads, generates detailed reports, sets custom alerts, supports data export, and helps manage bandwidth quotas with customizable notifications for efficient internet usage and activity visualization.
Canada
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.
AustriaEU
A fundamental re-design of user Data Privacy. Your multi-tool for online protection. So easy your grandma could use it. Costs less than a cup of coffee per year.
United Kingdom
