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.
Journey - A diary that keeps your private memories forever.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Diaro - Multiplatform online diary and mobile app designed to record your activities, experiences, thoughts and ideas. Join now for free and keep your secret diary or diet, travel or life journal securely.
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.