Xiaobo Zhang (Drinkwater)

Website
GitHub

Yelp Hackathon

Online

Build the next generation of local apps with the Yelp API

$8,500 in prizes
Winners announced
713 participants

Hack Productivity

Online

Recode the productivity standard to help people do and achieve more using Microsoft Office 365.

$31,000 in prizes
Winners announced
672 participants

Rocketgraph Hackathon

Online

Rocketgraph is the first marketplace for cloud reporting, and we'd like to reward you for your cool ideas.

$1,500 in prizes
Winners announced
67 participants

Now every Developer can add social, local & environmental awareness to apps in minutes!

Online

trnql is challenging Developers to build a powerful contextual app that is truly social, local and completely environmentally aware using the trnql SDK. It's easy!

$7,500 in prizes
Winners announced
260 participants

Nexmo: End 2015 In Style

Online

It's been a great year, with some great contests - now let's make the last one the best!

Non-monetary prizes
Winners announced
51 participants