Tworlds - Swap photos with strangers around the world, anonymously

Planny.co - Planny is lightweight Twitter scheduler. Grow faster with calendar planner, multi account management, advanced drafts and analytics.

Just a Minute - A web experiment to see how well you can estimate a minute.

Day Night - A desktop app that kills the procrastination in you.

The Evolution of Trust - an interactive guide to the game theory of why & how we trust each other

Gone - An ephemeral to-do list