Do Not Touch Your Face - Teach yourself not to touch your face
Wash Your Lyrics - hand washing instructions with lyrics from any song you like
WashieWash - Get frequently timed notifications to wash your hands.
Crisis Response on Facebook - Find more information about crises and crisis response tools
FaceTouchers - This filter warns you about how much you touch your face.
Scrubhub - SFW hand washing videos for charity.