Agora.io HolidayHack 2018 Online Agora Holiday Hacks 2018! $2,000 in prizes Winners announced 129 participants
MLH Local Hack Day (2018) Join your local tech community & 200+ other communities around the world for a global 12-hour hackathon & celebration of learning, building, & sharing! $1,500 in prizes Nov 30 – Dec 2, 2018 1016 participants
Alexa Skills Challenge: Tech for Good Online Build Alexa Skills that have a positive impact on the environment and local communities. $122,000 in prizes Winners announced 903 participants
