Go Fucking Do It - Set a deadline and a price. If you fail, you pay.
My Bar - You have alcohol, some beverages and fruits and wonder what cocktails you can make?
Decidr - Make better decisions with quick A/B polls
Yes or No - The unpopular opinion app
AbTest.io - A free url shortener with A/B testing features
Cocktail Party - Finally — an app that shows you all the tasty drinks you can make from the stuff you've got.