Day One - A simple journal application for the Mac, iPhone, and iPad. AboutTo learn more about Day One, see these two excellent reviews . PublishPublish is not available in Day One 2.
Xmind - Xmind is a brainstorming and mind mapping application.
Journaly - The customisable journal app
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Journalistic - A simple, yet powerful micro journaling app
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.