The Tweet Hereafter - The last tweets of the deceased
Planny.co - Planny is lightweight Twitter scheduler. Grow faster with calendar planner, multi account management, advanced drafts and analytics.
Scavenger - An augmented reality scavenger hunt for cash prizes
Day Night - A desktop app that kills the procrastination in you.
WeCroak - An app to remind you of death
Gone - An ephemeral to-do list