Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3088 participants
Alexa Skills Challenge: Life Hacks Online Build Alexa skills to make everyday tasks faster, easier and more delightful. Up to $250,000 in prizes! $250,000 in prizes Winners announced 1249 participants
Alexa Skills Challenge: Kids Online Build an Alexa skill that educates, entertains, and engages kids under 13 $202,500 in prizes Winners announced 2500 participants