RVSitebuilder is described as 'Adopted a mobile-first concept, RVSiteBuilder 5.2 is enhanced for PCs, smartphones, and tablets across popular browsers*. The new hundreds of template designs are optimized for mobile device’s view. Once the web is published, the RVSiteBuilder 5' and is a Website Builder in the development category. There are three alternatives to RVSitebuilder for Mac, Windows, Web-based, Self-Hosted and SaaS. The best RVSitebuilder alternative is Silex, which is both free and Open Source. Other great apps like RVSitebuilder are devhub and WebStarts.