OhDiary is described as 'Helps you write your life log. It's quite easy, really. You will receive an email every day at a specific time and you reply back to that mail with whatever happened in your day' and is a Journaling app in the office & productivity category. There are more than 50 alternatives to OhDiary, not only websites but also apps for a variety of platforms, including iPhone, iPad, Android, Mac and Android Tablet apps. The best OhDiary alternative is Memos, which is both free and Open Source. Other great sites and apps similar to OhDiary are Day One, memoria — private journal, StoryPad and Glint - Highlight Journal .