Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!
YEAY - QVC + Tumblr + Snapchat. Vertical video shopping.
Splittable - Shared living made simple
LEIF - The first eSnowboard style electric skateboard
EquiTable - Split the bill fairly
LineScouts - Rate queues in stores to keep the vulnerable safe.