The 13.0 version of StoryO for Mac is provided as a free download on our website. The most popular versions of the software are 11.0 and 2.0. The actual developer of this software for Mac is Jungle Software. The latest version of StoryO is supported on Mac OS X 10.5.0 or later. The application lies within Productivity Tools, more precisely General.
From the developer:
StoryO takes story outlining and idea organization to a whole new level.
You may want to check out more software for Mac, such as Surface, Templates or LXConsole, which might be similar to StoryO.