Samsung Makers Against Drought Challenge Online Makers Against Drought $210,500 in prizes Winners announced 547 participants
USDA Innovation Challenge Online Help build a sustainable US food system by putting USDA data into the hands of farmers, researchers, and consumers. $63,000 in prizes Winners announced 312 participants
Context.IO App Challenge Online Email is the data source. Context.IO is the tool. What you build with it is up to you! $125,000 in prizes Winners announced 486 participants
The Blue Airplane Hack Online Build new solutions with the Send Anywhere API $8,000 in prizes Winners announced 86 participants
Open Data Mashup | Summer Jam Online Mashup your favorite open data sets and teach us something new. Non-monetary prizes Winners announced 137 participants