#TFWorld TF 2.0 Challenge! Online #TFWorld TF 2.0 Challenge $150,000 in prizes Winners announced 556 participants
2019 Developer Circles from Facebook Community Challenge Online Build software using React360, Spark AR, or HTML5 Games to give people the power to connect with friends and family, find communities and grow businesses. $167,500 in prizes Winners announced 12035 participants
TokBox Live Video and AR Online Hackathon Online TokBox Live Video and AR Online Hackathon $2,160 in prizes Winners announced 64 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 890 participants
Disrupt SF Hackathon 2018 Online TechCrunch's Hackathon Goes Global $154,620 in prizes Winners announced 990 participants
