The 4.1 version of Day One for Mac is available as a free download on our website. This application's bundle is identified as com.dayoneapp.dayone. The most popular versions of the program are 1.9, 1.7 and 1.0. Day One for Mac relates to Productivity Tools. The latest version of the program can be downloaded for Mac OS X 10.7.4 or later. Our built-in antivirus scanned this Mac download and rated it as virus free. The actual developer of this Mac application is Bloom Built, LLC.
From the developer:
Day One is the easiest and best-looking way to use a journal / diary / text-logging application for the Mac.
You may want to check out more software for Mac, such as My Wonderful Days : Daily Journal/Diary, Clear Day - Formerly Weather HD or Countdown Days, which might be similar to Day One.