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, Android Tablet and Mac apps. The best OhDiary alternative is memoria — private journal. It's not free, so if you're looking for a free alternative, you could try Memos or Day One. Other great sites and apps similar to OhDiary are Glint - Highlight Journal , 6000 Thoughts, StoryPad and Journal.