What are some alternatives?
When comparing VivaDesigner and Adobe FrameMaker, you can also consider the following products
Adobe InDesign - Adobe InDesign is a desktop publishing software application.
MadCap Flare - Documentation for Any Audience, Language or Format
Scribus - Scribus is a desktop publishing (DTP) application.
Readymag - Readymag is a comprehensive solution that allows you to design web publication, magazines, presentations, websites, and all the other publications.
Swift Publisher - Swift Publisher is a page layout and desktop publishing app for Mac
Zmags - Zmags provides solutions create and publish web experiences instantly.