Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 9089 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29874 participants
IEEE ClimateChain Global Hackathon Online AI and BLOCKCHAIN Innovate Today for a Sustainable Tomorrow. $3,000 in prizes Winners TBD 1212 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35468 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28561 participants
The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners announced 7042 participants
All Things Agentic Hackathon Online Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously. $180,000 in prizes Winners announced 12258 participants
Open Atlas - AI for Social Good Hackathon 2026, presented by Manifest Milpitas, CA, USA Builders, in a room, solving real problems. Ship AI-powered solutions for immigration, healthcare, education, and financial inclusion. $4,500 in prizes Jun 20 – Aug 16, 2026 450 participants
Build with DataHub: The Agent Hackathon Online Build AI agents with DataHub's open-source Context Platform. $20,500 in prizes Winners announced 3052 participants
Build with Paritok: The Token-Efficiency Hackathon Online Build any AI project on Paritok's open-source models — measured 74% fewer input tokens, real workflows, real reduction. $630 in prizes Winners announced 197 participants
DSOC : Summer Edition Online A Global Stage for Builders !! Non-monetary prizes Winners TBD 399 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46665 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Winners announced 3062 participants
Moonshot Hackathon Online Moonshots Only - Zero to one Ideas Non-monetary prizes Winners announced 645 participants
UiPath AgentHack Online Build the AI agents of tomorrow. $50,000 in prizes Winners announced 3998 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners announced 9576 participants
Youth Code x AI Online Harness AI to create innovative solutions for real-world challenges in business, education, mental health, sports, the environment, and communities! $2,700 in prizes Winners announced 1035 participants
GitLab Transcend Hackathon Online Intelligent orchestration, now with context. $20,000 in prizes Winners announced 1550 participants
Mind the Product presents World Product Day: Everyone Ships Now Online World Product Day 2026: 30 days, one community, and the AI tools to finally build the thing. PMs, designers, engineers, the curious... welcome! $10,000 in prizes Winners announced 1306 participants
DSH Hacks V1 Online Developing meaningful technical products that leverage AI to improve, enhance, or expand STEM education. Non-monetary prizes Winners announced 1291 participants
FIND EVIL! by Rob T. Lee Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Winners announced 4387 participants
Splunk Agentic Ops Hackathon Online Reimagine the future of agentic operations using Splunk AI $20,000 in prizes Winners announced 2352 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14430 participants
Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3088 participants