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.

Monkkee - Keep a private journal securely on the Internet – to provide a convenient user experience your...

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.

RunaBook - RunaBook is a lightweight application that lets you create and organize notes, knowledge bases, and daily routines.

Reminisce Journal - Reminisce Journal is a free iOS and Android app that helps you to capture live moments, daily activities, thoughts, ideas and travel logs, etc.

Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.