AI 4 Alzheimer's Online Build AI models for early Alzheimer’s detection. Make an impact in healthcare. Save a life. $500 in prizes Winners announced 1449 participants
PeerBridge Mental Health Hacks 2025 Online Join youth worldwide to build apps, campaigns, and digital platforms that make mental health support more accessible, break stigma, and create safer, more empathetic online spaces. $750 in prizes Winners announced 372 participants