Antetype is a comprehensive design and prototyping platform for Mac OSX and Windows which allows designers to quickly create interactive app and website prototypes. It provides visual tools and components to construct user interfaces, and allows users to define their own components and style them using CSS. It also provides integration with popular design tools, such as Sketch and Photoshop, so users can import existing designs into the app. Antetype also offers features such as custom animation and transitions, real-time collaboration, version control, and automatic code generation. With these features, Antetype enables designers to create professional quality prototypes quickly and easily.
Discontinued As described at http://blogs.adobe.com/fireworks/2013/05/the-future-of-adobe-fireworks.html, Fireworks development has been halted, but the latest version, Adobe Fireworks CS6 (v12), released in 2012, is still available as part of https://alternativeapp.info/software/adobe-creative-suite/