HackFest for Apache Ambari Palo Alto, CA, USA Deploy Services and create Views with Apache Ambari's RESTful APIs $75 in prizes Oct 17, 2015 39 participants
Opportunity Hack 2015 San Jose San Jose, California, USA Build. Connect. Empower. $7,000 in prizes Oct 3 – 4, 2015 445 participants
CHIMEHACK 2 San Francisco, California, USA CHIMEHACK 2 will convene the tech community with issue experts and non-profit leaders to develop tools to promote safety for girls and women. Note that this is a closed event, by application only. $35,000 in prizes Jul 9 – 12, 2015 204 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
GigHacks SF San Francisco, CA, USA A 2-day hack event to ignite the gigabit experience. Non-monetary prizes May 1 – 3, 2015 136 participants
Code for Cuba Hackathon Menlo Park, CA, USA Develop applications that can be launched in Cuba to facilitate (1) connectivity/access to information, (2) entrepreneurship and (3) journalism and digital advocacy. $7,000 in prizes Apr 25 – 26, 2015 62 participants
LAUNCH Hackathon 2015 San Francisco, CA, USA Launch 2016 here: launch.devpost.com/ $101,500 in prizes Feb 27 – Mar 1, 2015 1310 participants
Hack The Drive San Francisco, CA, USA Get exclusive access to BMW's car data and APIs and compete for an all-electric BMW i3 $59,740 in prizes Jan 10 – 11, 2015 111 participants
Wearable World Invents: The Connected Airport Online An Innovative Virtual Developer Challenge Featuring San Francisco International Airport (SFO) $16,525 in prizes Winners announced 112 participants
Toyota ITC Connected Vehicle Hackathon Redwood City, CA, USA Create innovative solutions for the connected vehicle using our Toyota API along with our Five Great Co-sponsors! $11,000 in prizes Nov 7 – 8, 2014 108 participants
Opportunity Hack San Jose, eBay Inc. San Jose San Jose, California, USA Build. Connect. Empower. $7,000 in prizes Oct 11 – 12, 2014 262 participants
Salesforce $1 Million Hackathon 2014 San Francisco, CA, USA BUILD THE BEST MOBILE APP $995,000 in prizes Oct 10 – 12, 2014 704 participants
Alpha Game Jam 2014 San Francisco, CA, USA Create a new prototype game that could be the next big thing! Non-monetary prizes Sep 12 – 14, 2014 87 participants
MedHack - San Francisco Palo Alto, California, USA Health hackathon for developers and medical experts to spark innovations in health tech. Non-monetary prizes Sep 6 – 7, 2014 113 participants
AWE Hacks 2014 The Digital Eyewear and Wearable Application Hackathon. 36 Hours. May 26-27 at the Santa Clara Convention Center - Produced by Augmate $25,607 in prizes May 26 – 27, 2014 183 participants
Game On! HIV/STD Prevention Mobile Application Video Game Challenge Online Create a mobile application (app) game to teach HIV and STD prevention strategies to teens and young adults $30,000 in prizes Winners announced 101 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
Salesforce $1 Million Hackathon San Francisco, California, USA Salesforce is challenging you to build next generation mobile apps in a $1 million hackathon. $2,095,000 in prizes Nov 18 – 20, 2013 512 participants
OPEN SV Hackathon Mountain View, California, USA OPEN Silicon Valley: 1-Day Hackathon $3,500 in prizes Nov 17 – 18, 2013 20 participants
DOL Fair Labor Data Challenge Online Create an innovative tool that lets an informed consumer find out if a business is obeying the law when it comes to paying workers properly. Non-monetary prizes Winners announced 26 participants
Care Counts: Educating Women and Families Online Help women learn about the important benefits available to them and their families through the Affordable Care Act $25,000 in prizes Winners announced 72 participants
Viggle App Jam Online See the second screen experience defined – check out the TV companion apps created with Viggle. $49,000 in prizes Winners announced 91 participants
Ford Personalized Fuel-Efficiency App Challenge Online Ford challenged developers to help customers optimize their “personal” fuel-economy performance using the OpenXC platform. $49,000 in prizes Winners announced 323 participants
VA Medical Appointment Scheduling Contest Online Help Veterans make appointments for VA outpatient and ambulatory care by creating systems that are compatible with Open Source VistA and help to lead health IT transformation. $3,050,000 in prizes Winners announced 523 participants