Meta Horizon Start Developer Competition Online Accelerate your VR development journey with Meta Horizon Start and compete for $1.5M in cash prizes. $1,500,000 in prizes Winners announced 2871 participants
Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4981 participants
RevenueCat Shipaton 2025 Online Ship apps and start making money. $355,000 in prizes Winners announced 51899 participants
Sentiment & Opinion Mining Natural Language API Hackathon Online Create or enhance an existing app by embedding Natural Language Processing (NLP) capabilities to determine the sentiment, emotions and traits in text. $10,000 in prizes Winners announced 616 participants
Facebook Hackathon: Messaging Online Build messaging solutions that empower conversation $7,000 in prizes Winners announced 2681 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
2018 Developer Circles Community Challenge Online Build solutions that give people the power to build community and bring the world closer together. $230,000 in prizes Winners announced 5238 participants
