Daily Minded - The easy way to maintain a journal, diary or captain's log.
Thought Plan - Super convenient tool to write down your thoughts & ideas
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.
Taky - Write ideas down as fast as they come up.
Mini Diary - Simple and secure journal app
Writtens - Quora for writers, ask questions and get advice.