NOT ON THE LIST IN 2018

iBooks Author is an app that allows anyone to create beautiful iBooks Textbooks — and just about any other kind of book – for iPad and Mac.

Website: apple.com/ibooks-author
Cost: Free.
Availability: Download (for Macs)

Past Overall Rankings
2017: –    2016: 188    2015: –    2014: –    2013: –    2012: –    2011: –    2010: –   2009: –   2008: –   2007: –