IEEE ClimateChain Global Hackathon Online AI and BLOCKCHAIN Innovate Today for a Sustainable Tomorrow. $3,000 in prizes Winners TBD 1212 participants
Hack the Habitat Online Build tech that protects the planet's ecosystems, climate, and wildlife. $1,000 in prizes Winners announced 324 participants
Global Builders Hackathon: Code for Impact Online Build tech for real community problems. 48 hours. Global. Free.Build tech for real community problems. 48 hours. Global. Free. Non-monetary prizes Winners announced 102 participants
AI Accelerate: Unlocking New Frontiers Online Unlocking New Frontiers: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 2730 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8633 participants