ZenPen - A minimalist writing zone, where you can block out all distractions and get to what's important.
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.
Telescope - Telescope is an open-source app that lets you easily set up your own online community.
Journalistic - A simple, yet powerful micro journaling app
Typefully - Write & publish great tweets, without distractions
Journaly - The customisable journal app