One Sentence Journal: http://nymag.com/scienceofus/2015/03/keep-a-one-sentence-journal-be-happier.html

Happiness Jar

It saves your happy thoughts away in your browser and you can retrieve them when you are having a bad day.

Set up:

1. Clone this repository

2. On your Google Chrome browser, navigate to: chrome://extensions/

3. Click the "Load unpacked extension" button and click on the local directory "happinessJar" that you just cloned.

4. You are ready to start saving happy thoughts!