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
hack.UVA Charlottesville, Virginia, USA Virginia's Largest Hackathon Yet! One HACK UVA good time! $5,920 in prizes Apr 11 – 13, 2014 91 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
MassDOT Visualizing Transportation Hackathon Cambridge, Massachusetts, USA Informing the Future of Massachusetts Transportation through Data Analysis and Visualization. $6,000 in prizes Dec 14, 2013 49 participants
Explore interactivity with Fabric.js Online Help make the web beautiful by creating new demos with Fabric.js Non-monetary prizes Winners announced 67 participants
Clinical Trial Visualization Redesign Online Re-imagine clinical trial information in a patient-centric way. $75,000 in prizes Winners announced 227 participants
The BookSmash Challenge: Break the Binding Online Use imagination and technology to build software that goes beyond the traditional ways we read and discover books. $25,000 in prizes Winners announced 159 participants
Clean and Green Hackathon San Francisco, California, USA The world’s best developers and designers will use their talent and creativity to create innovative approaches to combat climate change. Non-monetary prizes Aug 9 – 10, 2013 8 participants
Chart.js Personal Dashboard Challenge Online Optimize your life. Create a dashboard visualizing personal data using Chart.js $1,200 in prizes Winners announced 185 participants
Appcelerator Mobile Dev Challenge Online Developers changed the world with their mobile apps … and won $15k! $32,000 in prizes Winners announced 586 participants
Media Mash 2012 Online NYC Media Lab challenged developers to drive media innovation by mashing up APIs, feeds, and data from New York City media and technology companies. $10,000 in prizes Winners announced 185 participants
Apps for Energy Online The U.S. Energy Department’s Apps for Energy offered $100,000 to software developers for the best new apps that help utility customers make the most of their Green Button electricity usage data. $100,000 in prizes Winners announced 470 participants