COVID-19 Global Hackathon 1.0 Online #BuildforCOVID19 Global Online Hackathon Non-monetary prizes Winners announced 18553 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
KadHack2018 Kaduna, Nigeria Developing Solutions for Sustainable Social Development $8,938 in prizes Nov 29, 2018 277 participants
Developer Circles Community Challenge Online Completed - 2017 Community Challenge $150,000 in prizes Winners announced 3630 participants
