Reddit Mod Tools and Migrated Apps Hackathon Featured Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes May 27, 2026 09:00 PM EDT to submit 1052 participants
5G Edge Computing Challenge with AWS and Verizon Online Build low-latency applications using AWS Wavelength on Verizon’s 5G Edge. $50,000 in prizes Winners announced 718 participants
Appian World Hackathon 2019 Online Automate more and code less with Appian! $10,000 in prizes Winners announced 345 participants
GE Brilliant Hacks Online Build software to kickstart a new era in high performing manufacturing with GE Brilliant Manufacturing $50,000 in prizes Winners announced 344 participants
Amazon Alexa Skills Challenge Online You code, Alexa comes to life. Create new Skills for Alexa, the brain behind Amazon Echo. $43,620 in prizes Winners announced 4430 participants
The More Disruption Please Innovation Challenge Online Help Us Build a Hospital in the Cloud $18,000 in prizes Winners announced 275 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
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 201 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
Hack With The Best Redwood City, CA, USA A weekend long Mercedes-Benz Hackathon that brings innovative and creative minds together to develop new concepts that will intersect IoT and Wearables with automotive technologies. Non-monetary prizes Jun 12 – 14, 2015 102 participants
delivery.com App Challenge Online Unlock the local marketplace with apps that change the way people explore their communities and order online. $60,000 in prizes Winners announced 341 participants
GSA Travel Data Challenge Online Design and create an online, interactive tool that utilizes federal travel data to increase transparency and accountability. $35,000 in prizes Winners announced 181 participants
The Microsoft Digital Enterprise Hack Washington, DC, USA Join Booz Allen and 1776 for the Microsoft Digital Enterprise Hack, the first installment of the 1776 + Booz Allen Hack-celerator Series! Non-monetary prizes Mar 15 – 16, 2014 18 participants
InnovateNYP: the First Hackathon for NYC Hospitals Help improve the patient and health care experience. $85,000 in prizes Mar 15 – 16, 2014 150 participants
PHA Innovation Challenge Washington, District of Columbia, USA PHA believes that change happens when anyone is empowered to re-imagine how something might be better and seizes the opportunity to realize that vision. Non-monetary prizes Mar 8, 2014 9 participants
Respirator Trusted-Source Mobile Application Challenge Online NIOSH is challenging teams of developers to design a mobile app that will be used by the public to query the trusted source site and display the info in an easy to view format on a mobile device. $10,000 in prizes Winners announced 31 participants
DC Tech Hackathon Presented by D&B Chevy Chase, Maryland, USA A hackathon to help combat malfeasance and fight fraud waste and abuse in the public sector. $30,000 in prizes Nov 9 – 10, 2013 25 participants