Cost / License
- Paid
- Proprietary
Platforms
- Windows

ZoneAlarm Firewall is described as 'Blocks unauthorized network access, detects intruders, prevents data theft, hides computers from threats, stops viruses and spyware, offers easy setup, and real-time alerts' and is a Firewall in the security & privacy category. There are more than 25 alternatives to ZoneAlarm Firewall for a variety of platforms, including Windows, Linux, Mac, Android and KDE Plasma apps. The best ZoneAlarm Firewall alternative is simplewall, which is both free and Open Source. Other great apps like ZoneAlarm Firewall are Fort Firewall, Little Snitch, BiniSoft Windows Firewall Control and OpenSnitch.

Filseclab Personal Firewall Professional Edition is one of the most important software of Filseclab, it is very easy to use and also very powerful. It can provide more secure protection for your PC, and it is FREE.


Firestarter is an Open Source visual firewall program. The software aims to combine ease of use with powerful features, therefore serving both Linux desktop users and system administrators.



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.

Sygate Personal Firewall is a bit old but good firewall for Windows. It uses very small amount of system resources and is quite robust.
The project is now abandoned because Symantec Corporation, on October 10, 2005, acquired Sygate Technologies, so Sygate Personal Firewall ha.

Perfects the Windows Firewall offering additional security. Get the most out of your Windows firewall, create new security rules for your online applications, alerts you to anomalies with real-time protection.




Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.



Bouncer is an application to help you choose the correct firewall zone for wireless connections. When you connect to a new network, Bouncer will open a window prompting you for what kind of network (eg home, public, work) it is.

Armor2net personal firewall software stops hackers, data thieves, and protects your PC from Internet-borne threats. Armor2net firewall can meet your requirements for Internet security and Internet privacy.

NetDefender is a free and open source firewall for Windows 2000/XP.
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