Wash Your Lyrics - hand washing instructions with lyrics from any song you like
Waterpebble - Your little water saver
WASH YOUR F**KING HANDS - Wash your f**king hands and call out your peers
Apple - Available on iOS
FaceTouchers - This filter warns you about how much you touch your face.
Blocks - Empowering designers to build great websites without writing a line of code. For web and OS X.