Gratefulness - Learning to be grateful, one text reminder at a time.
Momentum - Agile goal and performance management
Blessd - Gratitude without the journal
New Tab by Flickr - Get a beautiful photo each time you open a new tab
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.