


Other great apps like Forefront Threat Management Gateway are ClearOS, Endian Firewall Community, Sophos XG Firewall and Sophos UTM.Forefront Threat Management Gateway alternatives are mainly Firewalls but may also be VPN Services or Operating Systems. The best alternative is OPNsense, which is both free and Open Source. There are more than 10 alternatives to Forefront Threat Management Gateway for a variety of platforms, including Linux, Self-Hosted solutions, Windows, Online / Web-based and VirtualBox. Forefront Threat Management Gateway is described as 'Microsoft Forefront Threat Management Gateway (Forefront TMG), formerly known as Microsoft Internet Security and Acceleration Server (ISA Server), is a network security and protection solution for Microsoft Windows, described by Microsoft as "enables businesses by allowing' and is a Firewall in the security & privacy category.
