FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Jun 15, 2026 11:45 PM EDT to submit 1983 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 2428 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes May 11, 2026 11:00 PM EDT to submit 3213 participants
xStocks Hackathon EthCC: Market Open Cannes, France Hacker House at EthCC '26 bringing together top EVM developers to design and ship xStocks applications $95,000 in prizes Mar 31 – Apr 2, 2026 110 participants
GitLab AI Hackathon Online You Orchestrate. AI Accelerates. $65,000 in prizes Winners TBD 6979 participants
Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13451 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners TBD 11891 participants
DeveloperWeek 2026 Hackathon San Jose, CA, USA Join the nation's largest challenge-driven in-person and online hackathon @ DeveloperWeek 2026! $23,000 in prizes Feb 2 – 20, 2026 1808 participants
AI Partner Catalyst: Accelerate Innovation Online Accelerating innovation through the Google Cloud partner ecosystem $75,000 in prizes Winners announced 6950 participants
Codegeist 2025: Atlassian Williams Racing Edition Online Accelerate innovation: Build on Forge, extend Jira, Confluence, Bitbucket, and more— win your share of $120K. $120,000 in prizes Winners announced 3527 participants
FIBO Hackathon Online Build the Future of Creative Control with Scale $30,000 in prizes Winners announced 1147 participants
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 2872 participants
Meta Horizon Creator Competition: Mobile Innovation Online Compete for up to 35 prizes, with a top prize of $100,000 for the top 3 entries and a total prize pool of $1,500,000. $1,500,000 in prizes Winners announced 1093 participants
Agentic AI Unleashed: AWS & NVIDIA Hackathon Online Build the future of agentic AI with AWS and NVIDIA Non-monetary prizes Winners announced 1960 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14080 participants
Meta Horizon Creator Competition: Mobile Genre Showdown - Reloaded Online Compete for up to 35 prizes, with a top prize of $200,000 per genre and a total prize pool of $2,500,000 $2,500,000 in prizes Winners announced 1689 participants
AI Accelerate: Unlocking New Frontiers Online Unlocking New Frontiers: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 2734 participants
Tableau Next Virtual Hackathon Online Lead the Agentic Analytics Era and Win Big Prizes $45,000 in prizes Winners announced 4508 participants
TiDB AgentX Hackathon 2025 Online Forge Agentic AI for Real-World Impact $30,500 in prizes Winners announced 2658 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8656 participants
DevNetwork [API + Cloud + Data] Hackathon 2025 Santa Clara, CA, USA Join the nation's largest challenge-driven API + Cloud + Data hackathon @ API World 2025! $2,000 in prizes Aug 17 – Sep 5, 2025 717 participants
Meta Horizon Creator Competition: Elevate Your Mobile World Online Compete for 35 prizes, including two $100,000 grand prizes and a total prize pool of $1,000,000. $1,000,000 in prizes Winners announced 1407 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 128426 participants