Google Cloud Rapid Agent Hackathon Featured Online Building Agents for Real-World Challenges $50,000 in prizes Jun 11, 2026 05:00 PM EDT to submit 3877 participants
Reddit Mod Tools and Migrated Apps Hackathon Featured Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes May 27, 2026 09:00 PM EDT to submit 1558 participants
Build with MeDo Hackathon Featured Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes May 20, 2026 09:00 AM EDT to submit 6756 participants
The 2030 AI Challenge Online Code for Change. Build the Future. $435 in prizes Winners announced 482 participants
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 1453 participants
Hackmas: HackMars 2.0 Online Innovate, collaborate, and build a program with a Christmas theme for Hackmas! This will be the second official HackMars hackathon. Non-monetary prizes Winners announced 162 participants
Code with Kiro Hackathon Online A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development. $100,000 in prizes Winners announced 9969 participants
HackCafé Bom Jardim, Brazil Innovating mountain-grown coffee through technology and sustainability. $150 in prizes Jun 27 – Aug 10, 2025 107 participants
Katy Youth Hacks 2025 Online By challenging students to solve real-world problems with technology, KatyYouthHacks aims to inspire the next generation of developers Non-monetary prizes Winners announced 267 participants
Opportunity Hack Summer 2025 - Volunteer Internship Hackathon Online Code for good, build for impact! Join OHack Summer 2025 where developers, designers & dreamers unite to create tech solutions that empower nonprofits & change lives. Non-monetary prizes Winners announced 123 participants
2025 Techinance Cyberhack Online Crafting innovative ideas to help combat cybersecurity risks and spread awareness for data privacy and cybersecurity Non-monetary prizes Winners announced 130 participants