Daily Journal - Journaling app where you can publish your thoughts online
Journaly - The customisable journal app
Diarly - Secure, simple & beautiful diary app.
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.
Grid Diary - The simplest way to get started with keeping a diary
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.