Maqetta is described as 'Open source project that provides WYSIWYG visual authoring of HTML5 user interfaces. The Maqetta application itself uthored in HTML, and therefore runs in the browser without requiring additional plugins or downloads' and is an app. There are more than 10 alternatives to Maqetta for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best Maqetta alternative is Eclipse, which is both free and Open Source. Other great apps like Maqetta are Adobe Dreamweaver, Qt Creator, Pinegrow Web Editor and WYSIWYG Web Builder.