Stef Maccarone (stefgreat)

Hello!

Chrome Extension Challenge

Online

Make browsing more fun with Google Chrome extensions!

$280 in prizes
Winners announced
124 participants

Big Data for Social Good

Online

Big Issues. Big Data. Big Solutions.

$36,000 in prizes
Winners announced
1256 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

20 Lines of JS Challenge

Online

Show us your best JavaScript hack in under #20lines of code!

$284 in prizes
Winners announced
87 participants

The MTA and AT&T Present: App Quest 3.0

Online

More data. More connectivity. More smartphone apps. Make New York’s transit experience three times better.

$50,000 in prizes
Winners announced
279 participants

RootsTech Innovator Challenge

Online

4 finalists. 5 renowned judges. 1 large audience. $25k in prizes. Create an app to connect the past with the present.

$25,000 in prizes
Winners announced
171 participants

The Happiness App Challenge

Online

Shape the future of humanity by creating apps to increase happiness, productivity and well being!

$50,000 in prizes
Winners announced
717 participants

Mobility Integration Challenge

Online

Make multi-modal trips simpler! Help people connect to multiple modes of transportation in cities with complex geographical constraints such as Chongqing.

USD$30,000 in prizes
Winners announced
93 participants

Urban Commuter Challenge

Online

Help commuters in the world's largest city. Submit commuter-focused software for Shanghai and similar cities beyond!

USD$30,000 in prizes
Winners announced
106 participants

SUMURR mHealth Challenge

Online

Extend the reach of healthcare through mobility. Create solutions to help provide uncompromised healthcare in rural areas in Tamil Nadu.

USD$30,000 in prizes
Winners announced
143 participants

Monsoon App Downpour

Online

Out-app mother nature. Create software to improve mobility during Mumbai’s monsoon season.

USD$30,000 in prizes
Winners announced
84 participants

City Mobility Challenge

Online

Big impact for large cities. Use software to redefine and improve how goods and services are delivered in Lisbon and other large cities.

$30,000 in prizes
Winners announced
82 participants

Parking Lot 2.0

Online

Take parking into the 21st century. Submit software that reimagines outdoor parking lots in Los Angeles!

$27,500 in prizes
Winners announced
110 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

Samsung Gear App Challenge - Round 2

Online

Your world. Your wrist. Create the best Samsung Gear App and change your universe.

$850,000 in prizes
Winners announced
212 participants

Samsung Gear App Challenge

Online

Your world. Your wrist. Create the best Samsung Gear App and change your universe.

$400,000 in prizes
Winners announced
2728 participants

VSN Mobil’s “My Button” Challenge

Online

If you could have anything at the press of a button what would it be? Now is your chance to make the dream a reality.

$10,000 in prizes
Winners announced
139 participants

SunShot Hackathon

Anaheim, CA, USA

Hacking Away at Solar Soft Costs

Non-monetary prizes
May 21 – 22, 2014
4 participants