SmoothWall Express is an open source firewall distribution based on the GNU/Linux operating system. Linux is the ideal choice for security systems; it is well proven, secure, highly configurable and freely available as open source code.

GeSWall (GentleSecurityWall) is a useful and free firewall with the help of which you can safely surf the web, open e-mail attachments, chat, exchange files etc, regardless of the security threats posed by the internet.

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions, ZoneAlarm Free Firewall keeps your PC free from viruses that slow down performance, and spyware that steals your personal information, passwords, and financial data.

There are three distinctive points that characterize what Outpost Firewall Free really is. First, it’s a free product – you essentially download it, install and use, free of charge, no time limitations. Second, it’s a better and more robust solution to Windows firewall – the latter lacks outbound filtering at default settings and is clumsy [...]

Comodo Memory Firewall protects your application from buffer overflow attacks by malicious scripts or programs. It runs continuously in the background and alerts you if an attack is detected. You can then choose to terminate the compromised application, send an email alert or launch a command-line. The program allows you to set specific actions for [...]

NetVeda Safety.Net is an application firewall that offers inbound and outbound protection, as well as filtering, parental controls and email safety to protect you from hackers, worms, Trojans and intruders. It uses multi layer deep packet stateful inspection and enables you to configure which applications and components are trusted to access the network or Internet. [...]

Outpost Firewall Free is an application which gives you the possibility to use a solid firewall protection with standard packet and application filtering to safeguard your data against unauthorized third parties. Plus, you get advanced protection against illegal program activity that will help stymie unknown threats.

Total protection for your PC–Comodo Internet Security’s award-winning Comodo Firewall with HIPS and Antivirus software defends your PC against over 1billion executables, including viruses, root-kits, Trojans, and zero-day attacks. Join the more than 10 million PC users worldwide recommending and using this easy-to-install and configure suite. Comodo puts Internet safety on your desktop FREE