You can download Viewporter 1.4.2 from our software library for free. The program belongs to Office Tools. The actual developer of the free program is OrangeDigit.
From the developer:
ViewPorter helps you produce new digital content forms and global publishing with multimedia and interactive effects. it can produce personal eBooks like autobiography, baby book, wedding ,travel etc. or convert retained contents of publisher into EPUB.
You may want to check out more software, such as Viewport Resizer, Viewporter Mercury EPUB Editor or FillViewportHeightDemo, which might be related to Viewporter.