Alexa Skills Challenge: In-Skill Purchasing Online Invent the future of premium voice content $134,000 in prizes Winners announced 1276 participants
Red Hat Hackathon: ReBoot Customer Experience with Open Source Online ReBoot Customer Experience with Open Source €30,000 in prizes Winners announced 305 participants
Kyber DeFi Virtual Hackathon Online Build the future of #DeFi with Kyber Network! $41,500 in prizes Winners announced 297 participants
Torus 4 Everyone Online Build your next big DApp and onboard mainstream users with Torus, all Ethereum DApps eligible! $10,000 in prizes Winners announced 106 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
