Convergence - Serum & Wormhole Hackathon Online Crosschain Defi Hackathon $585,000 in prizes Winners announced 751 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
Patient Engagement App Challenge Online Transform the clinical trial experience for patients — submit apps that educate, engage, and empower participants enrolled in clinical studies. $24,000 in prizes Winners announced 221 participants
Presenting Arts Data Artfully Online The NEA wants your help developing interactive data visualizations for our flagship arts participation data. Your work could be featured at arts.gov and promoted to arts organizations everywhere. $40,000 in prizes Winners announced 55 participants
Legislative XML Data Mapping Online A legislative data challenge to assess the compatibility of Akoma Ntoso with U.S. Congress and U.K. Parliament markup languages. $15,000 in prizes Winners announced 41 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
