The best Network Monitor alternative to GlassWire is simplewall, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to GlassWire and many of them are Network Monitors so hopefully you can find a suitable replacement. Other interesting Network Monitor alternatives to GlassWire are Portmaster, Little Snitch, TrafficMonitor and Fort Firewall.
Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.
Does not provide network data.
It's Free and simple to work with.
Free, open-source privacy suite monitoring all network activity, blocking unwanted connections, using trusted filter lists for ads and malware, enforcing DNS-over-TLS, providing custom app and global rules, and supporting advanced privacy management.
Powerful control for the tech-savvy. More free firewall blocking options than Glasswire, which only allows 2 blocks for free.
It's just like glasswire except for the fact that portmaster has more features than glasswire, and it is also for more advanced users.
It's Open Source and the internals are much better documented, no security tool is perfect but at least here if you're a professional you can see how to works to know what it is and is not capable of. However with GlassWire they just give generic help desk responses whenever you ask questions, either because they don't know or are just trying to cover it up for marketing.
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.
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".
TrafficMonitor is a network monitoring suspension window software in Windows. It can display the current network speed, CPU and memory usage. It also support the functions of display in the taskbar, change skin and historical traffic statistics.
Comprehensive Windows software for internet traffic control, enabling users to set bandwidth limits for applications or connections. Offers real-time monitoring, long-term stats per app, and detailed internet usage reports. Ideal for managing data efficiently and enhancing network performance.
Similar functions as monitor and simple firewall
application control for linux that's not iptables. perfect.
A powerful tool which extends the functionality of Windows Firewall and provides new extra features which makes Windows Firewall better.
its good alternative to glass wire, like glasswire it also displays notifications for apps that try to access internet, and you can easily block out spooky ones to access the internet
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
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.
Russia
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United Kingdom
It's free, doesn't nag you, and gives you a similar level of control.