- Linux Firewall and Security Site
- Sygate - Enterprise Security Solutions, and Personal Firewall Solutions
- DefendTek is a TDI-layer firewall solution for Windows NT, Windows 2000 and Windows XP and comes with complete source code
- The NetContinuum NC-1000 Application Security Gateway is a powerful line of ASIC-based application firewall appliances
- Firewall, network security, remote control and monitoring solutions for Windows NT/2000/XP and Windows Server 2003
- Internet solutions - BrowseGate 3 NAT/Proxy server and firewall
- Solucom VPN (Virtual Private Network) and Internet Firewall solutions
- Astaro Internet Security - Linux VPN, Network Security, Anti-virus & Firewall Software
- SmoothWall Express is a software that converts a PC into a firewall and a gateway for securing from external attacks
- SonicWALL Firewall & VPN Solution
- NetScreen - VPN, Denial of Service Protection, Firewall, Antivirus, and Intrusion Prevention Products

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