![Thyself](https://ph-files.imgix.net/7c2d0b6d-883f-4514-bb74-164b3052a7ea.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=64&h=64&fit=crop&frame=1)
I've been using Thyself for the last month or so, it's really interesting to see how my mood changes throughout the day (and help me identify what makes me unhappy).
I have been testing the Chrome extension for more than a month and I find it useful to monitor mood swings.