Gratefulness - Learning to be grateful, one text reminder at a time.
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.
Blessd - Gratitude without the journal
Mini Diary - Simple and secure journal app
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
Vomit Space - Anonymous social platform to share untold/instant emotions