pfSense pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more 20 Alternatives To pfSense Barracuda Web Application Firewall Barracuda Web Application Firewall offers security and DDoS protection against automated & targeted attacks. Burp Suite Burp Suite is an integrated platform for performing security testing of web applications. CDNetworks WAF CDNetworks WAF protects web applications using signature-based firewall with integrated CDN. ClearOS A very good alternative for Windows Server, for free Comodo Firewall Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /… Dome9 Dome9 is a SaaS-based solution that provides complete security and compliance across all public and hybrid cloud infrastructure environment. FireMon FireMon Security Intelligence Platform delivers continuous visibility into and control over firewall infrastructure. Meraki MX Firewalls Cloud managed networking from Cisco Meraki. The easiest and most IT-friendly solution for enterprise networking needs. MikroTik RouterOS The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS. OpenWrt OpenWrt is an open-source firmware based on Linux for wireless routers SiteLock SiteLock software provides advanced website security, daily security scans, web app firewall with a CDN to deliver content more securely. SonicWall SonicWall security solutions protects your network, systems, users and data from cyber threats. SonicWall TZ Get high-speed threat prevention in a flexible, integrated security solution with the SonicWall TZ Series. Sophos UTM Sophos UTM integrates complete security software within a single appliance. United Security Providers United Security Providers are specialists in Web Application Firewalls & Security. Untangle NG Firewall Untangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available. Zenedge Cloud-based, globally distributed cybersecurity platform Zscalar Zscaler offers integrated, cloud-delivered Internet security including web security, firewalls, mobile security, IoT security and DLP. iboss iboss is an APT defense, web security and mobile security platform. libreCMC The libre Embedded GNU/Linux Distro.