Best for agencies and web professionals building responsive websites for clients. USP: Duda is a website builder designed for agencies and professionals who need to create responsive websites for clients. It offers an intuitive drag-and-drop interface, customizable templates, and advanced features for creating high-quality, mobile-optimized websites. Duda also provides collaboration tools that allow teams to work together on website projects in real time. With its focus on delivering client websites that drive engagement and conversions, Duda is a strong choice for agencies offering web development services.