theognosia C (GreatOnline)

Greece

Samsung Makers Against Drought Challenge

Online

Makers Against Drought

$210,500 in prizes
Winners announced
547 participants

Hack Productivity

Online

Recode the productivity standard to help people do and achieve more using Microsoft Office 365.

$31,000 in prizes
Winners announced
672 participants

E.A.T. School Lunch UX Challenge

Online

Electronic Application Transformation – Create a model electronic application for the National School Lunch Program and help millions of American students access school meals.

$50,000 in prizes
Winners announced
407 participants

Rocketgraph Hackathon

Online

Rocketgraph is the first marketplace for cloud reporting, and we'd like to reward you for your cool ideas.

$1,500 in prizes
Winners announced
67 participants