Top Alternatives to DD-WRT

OpenWrt is a highly customizable, Linux-based embedded operating system designed for routers and other embedded devices. It replaces vendor firmware, offering advanced networking features, enhanced security, and extensive flexibility.

ClearOS is a robust Linux distribution serving as a comprehensive server solution for small to medium-sized businesses. It provides a unified platform for networking, gateway, and server functions with a user-friendly web-based interface.

pfSense is an open-source firewall and router software distribution based on FreeBSD. It provides a powerful and flexible platform for a wide range of networking needs, from small home networks to large enterprise environments, emphasizing security, reliability, and comprehensive feature sets.

Tomato is a highly regarded custom firmware designed for Broadcom-based routers, offering advanced features and enhanced control beyond the stock manufacturer firmware. While discontinued, it remains a popular choice for users seeking improved network performance, diagnostics, and configuration options on compatible hardware.

MikroTik RouterOS is a robust and versatile network operating system designed for MikroTik's RouterBOARD hardware. It offers a wide range of networking features, from basic routing and firewall capabilities to advanced QoS, VPN, and wireless management, making it suitable for a variety of deployments from small home networks to large enterprise and ISP infrastructures.

Untangle offers a comprehensive network security solution combining firewall, VPN, threat prevention, and content filtering in a single, unified platform designed for small to medium businesses and distributed enterprises.

Smoothwall is a robust, open-source firewall distribution built on a hardened GNU/Linux operating system. It provides essential network security and management features through an intuitive web interface, making it suitable for both home and small business use.