Smoothwall is an Open Source free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface. Developed by SmoothWall Ltd.
License: Open Source
DD-WRT is a versatile firmware primarily designed for routers, offering extensive customization and compatibility, making it ideal for tech-savvy users. In contrast, SmoothWall is a dedicated firewall solution that excels in security and content filtering, suitable for organizations needing robust network protection.