FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Jun 15, 2026 11:45 PM EDT to submit 2084 participants
DeveloperWeek New York 2026 Hackathon Queens, NY, USA Join the nation's largest challenge-driven in-person and online hackathon @ DeveloperWeek New York 2026! Non-monetary prizes May 25 – Jun 10, 2026 123 participants
LauzHack Against COVID-19 Online A 72h online hackathon dedicated to tackling the coronavirus crisis Non-monetary prizes Winners announced 627 participants
#AyobaHack Online Ayoba Virtual Hackathon in South Africa ZAR150,000 in prizes Winners announced 142 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
