AT&T Data for Diplomas Online Use real data to help increase U.S. high school graduation rates to 90% by the year 2020. $37,200 in prizes Winners announced 204 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 322 participants
Create Context-Aware Applications with Alohar Mobile's SDK Online Build context-aware apps that automatically understand where the user is and can trigger certain events $40,000 in prizes Winners announced 189 participants
Reference Data Challenge Online You know code. Scientists know data. Help NIST improve the way we share our scientific reference data by building an App today! $45,000 in prizes Winners announced 129 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 491 participants
The Blue Airplane Hack Online Build new solutions with the Send Anywhere API $8,000 in prizes Winners announced 89 participants
SAMHSA's Offender Reintegration Toolkit Challenge Online Submit an innovative tool or app to help individuals reentering their community after incarceration. Win cash. $22,500 in prizes Winners announced 59 participants
Your First API | Summer Jam Online The Internet is a just a bunch of tubes, right? Non-monetary prizes Winners announced 90 participants
Uber Hackathon Online Build the on-demand future with the Uber API $9,000 in prizes Winners announced 1479 participants