Cisco Spark the Industry Challenge Online Build, shape, and transform how teams collaborate with Cisco Spark. $25,000 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 4453 participants
HackGT 2016 Atlanta, GA, USA 36 hours, building, learning, and growing Non-monetary prizes Sep 24 – 25, 2016 397 participants
HackDFW 2016 Dallas, TX, USA The design-thinking hackathon of Dallas. $25,000 in prizes Apr 16 – 17, 2016 339 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 426 participants
Mexico City Mobility Challenge Online Let's make every trip better together! Help mitigate traffic congestion by effectively increasing vehicle occupancy while having a pleasant and safe commute. $30,000 in prizes Winners announced 148 participants
Nexmo: Sky's the Limit, Anything Goes (Pro)! Online Win a GoPro HERO4 and a Racing Quadcoptor Kit with the Best Nexmo Project! Non-monetary prizes Winners announced 40 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
ObjectRocket by Rackspace Presents Hack The Block Online Build apps with impact! Create a mobile app for YOUR community using ObjectRocket by Rackspace’s MongoDB and Redis. Build. Help. Win. $25,000 in prizes Winners announced 170 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 189 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 694 participants
São Paulo Mobility Global Challenge Online Submit apps that combine the use of cars and public transportation to help ease traffic in São Paulo city. $20,000 in prizes Winners announced 108 participants
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 491 participants
KPCB Fellows Challenge Online We're looking for mission and impact-driven people to build for good. Help us solve tough non-profit challenges with innovative tech. $1,000 in prizes Winners announced 78 participants
The Blue Airplane Hack Online Build new solutions with the Send Anywhere API $8,000 in prizes Winners announced 89 participants
Hack the Planet Mountain View, CA, USA Learn, build, and share out of this world hacks with the most inspiring student hackers in the galaxy. Non-monetary prizes Aug 14 – 16, 2015 313 participants
Spiceworks Breakthrough App Challenge Online Build the next breakthrough app on the world's largest IT platform. $65,000 in prizes Winners announced 107 participants
Nexmo: Build With Our New Beta Online Be the first to take our new beta API for a spin. Non-monetary prizes Winners announced 26 participants
InnovateNYP: Open Challenge Online Create innovative technology solutions to help enhance the hospital experience for patients and care providers at NewYork-Presbyterian! $25,000 in prizes Winners announced 204 participants
Maps as Art | Summer Jam Online Show us the world you live in. Non-monetary prizes Winners announced 143 participants
Ambitious Apps at Amazing Scale! A Hackathon for Apache Geode (incubating) Online Create an ambitious application running at amazing scale. Learn how to use in-memory data management of Apache Geode and win an Apple Watch! $1,342 in prizes Winners announced 28 participants
Super-Utilizer Health Innovation Challenge Online Improve health care for low-income, high-need ‘super-utilizers’ by designing innovative digital health solutions that address their complex health and social issues. $50,000 in prizes Winners announced 180 participants
Connect with Your Team | Summer Jam Online No matter the game, a team is nothing without its fans. Non-monetary prizes Winners announced 97 participants
Pick Your Prize: Nexmo APIs + Verify Online Build Something with Nexmos Powerful APIs Non-monetary prizes Winners announced 32 participants