GreenHack By Grevoro Bengaluru, India Code for Impact. Design for Sustainability. ₹ 15,000 in prizes May 7 – 29, 2026 139 participants
Build with MeDo Hackathon Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes Winners announced 8336 participants
Girls in STEM: AI for Social Good Hackathon Online A girls-in-STEM hackathon where students build AI and tech projects to solve real community problems Non-monetary prizes Winners announced 207 participants
BluePrint 2026 - Hackthon for freshers and Students Online Build practical solutions for real-world problems in Healthcare, EdTech, FinTech, AgriTech, Environment & E-Commerce. ₹ 18,000 in prizes Winners announced 903 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners announced 4289 participants
Team USA x Google Cloud Hackathon Online Become a Team USA Analyst with Gemini $75,000 in prizes Winners announced 277 participants
AI Autonomous Smart City Hackathon 2026 Online Build AI systems that enable cities to think, adapt, and operate autonomously in real time. Non-monetary prizes Winners announced 86 participants
GNEC Hackathon 2026 Spring - Compete For UN-Affiliated/NGO Internships & Prizes Online Create projects benefiting UNSDGs for a chance to work along UN affiliated NGOs! $700 in prizes Winners announced 836 participants
LUMA Pitch Competition Online Pitch your idea, for prizes worth $52800! (Cash for winner + subscriptions for all!) $52,800 in prizes Winners announced 390 participants
HackFW Fort Worth, Texas, USA The flagship hackathon of Fort Worth, Texas. $4,025 in prizes Apr 2 – May 2, 2026 122 participants
Rebuilding the OS: Core System Utilities Hackathon Online Build a mini Operating System Non-monetary prizes Winners announced 78 participants
Learning Hackathon: Spec Driven Development Online Great AI projects start with great planning. Learn the process with Claude Code and apply it to yours. Non-monetary prizes Winners announced 1245 participants
ZerveHack Online Stop thinking about it. Build it. Zerve AI Hackathon, $10,000 in prizes. $10,000 in prizes Winners announced 2220 participants
UCI Design-a-thon 2026 Online UCI Design-a-thon is the largest collegiate design hackathon in Southern California, where participants design, prototype, and pitch a product in 3 days. $5,448 in prizes Winners announced 404 participants
IATA ONE Record Hackathon – hosted by Cathay Cargo & CHAMP Cargosystems Hong Kong Leverage ONE Record and Aviation APIs for the logistics supply chain 24-26 April 2026 $11,000 in prizes Apr 24 – 26, 2026 87 participants
The Future Innovators Hackathon: A Road to START Hack Lisboa, Portugal Build bold MVPs in 24 hours on April 24–25, in person with mentors and entrepreneurs from the Unicorn Factory ecosystem. €2,000 in prizes Mar 31 – Apr 25, 2026 183 participants
Build for Impact — CBC Hackathon @ UR-CST Online Build real AI solutions for Rwanda with Claude, UR-CST's first hackathon. $1,500 in prizes Winners announced 121 participants
QWEN AI BUILD DAY Thành phố Hồ Chí Minh, Vietnam Build practical AI for mobility, financial services, healthcare, and public sector with Qwen, pitch live in Ho Chi Minh City, and compete for track winner recognition Non-monetary prizes Apr 9 – 18, 2026 294 participants
RAISE-26 Online Mirror, Mirror on the Wall, Is AI Transforming Us All? Non-monetary prizes Winners announced 68 participants
0-1 Hackathon Minneapolis, MN, USA Develop an AI solution that replaces a real workflow and earns at least $1. $1,200 in prizes Apr 10 – 14, 2026 41 participants
Google Build with AI Hackathon St. Louis, MO, USA Create apps, agents, and products at the annual WashU DevFest Hackathon $8,000 in prizes Apr 11 – 12, 2026 440 participants