OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46672 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 4429 participants
WhenHub Hackathon Online Code or Design Time Visualizations and Apps $16,500 in prizes Winners announced 127 participants
TechCrunch Disrupt London Where Great Products Are Born in 24 Hours $18,600 in prizes Dec 5 – 6, 2015 324 participants
