The International Space Apps Challenge is your opportunity to collaborate with NASA and other organizations to build, create, and invent new solutions to challenges of global importance. A weekend long hackathon held each April with collaborators in cities across the globe, on all 7 continents, and in outer space! The event is free and open to the public; anyone with any skillset can participate, you don't need to be a techie or build apps to solve problems! Sign up at the official website to participate in New York City: