Bake a Nexmo Pi Online Your Ingredients: Nexmo's APIs, Raspberry Pi. Non-monetary prizes Winners announced 89 participants
WildHacks 2016 Evanston, IL, USA Come build with us. $5,000 in prizes Nov 18 – 20, 2016 224 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
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
Sparkathon: It’s Raining Data Online Build super-smart weather apps that harness the power of IBM Bluemix™ and Apache Spark™. $28,500 in prizes Winners announced 544 participants
WildHacks 2015 Evanston, IL, USA Come build with us. $19,540 in prizes Nov 21 – 22, 2015 222 participants
YHack 2015 New Haven, CT, USA YHack 2015 is the third iteration of Yale's premiere hackathon. For 36 hours, 1500 of the best hackers will converge at Yale University to compete for over $15,000 in prizes. $14,650 in prizes Nov 7 – 8, 2015 420 participants
MyScript App Challenge Online Write the future of modern apps with MyScript handwriting recognition APIs $20,000 in prizes Winners announced 177 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
Waterloo CodeFest Waterloo, Canada Create applications with the City of Waterloo's Open Data $10,000 in prizes Oct 24 – 25, 2015 89 participants
Whispir: Make Your App Talk Online Give your application a voice with Whispir, and deliver a more effective solution for 'last mile communications'. $10,000 in prizes Winners announced 79 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 185 participants
Kent Hack Enough 2015 Kent, OH, USA Design. Build. Party. $6,772 in prizes Oct 9 – 11, 2015 83 participants
MHacks 6 Ann Arbor, MI, USA Students from across the world come to MHacks to build amazing things, transform dreams into realities, and to meet others with the same level of passion to build their future. MHacks is for creators. $49,600 in prizes Sep 11 – 13, 2015 688 participants