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 10441 participants
HackWithAditya Online Great builds start before the hackathon ₹ 500,000 in prizes Nov 25, 2026 01:15 PM EST to submit 155 participants
LaunchPad Hacks Online Build something worth launching. A beginner-friendly online student hackathon for bold ideas, useful prototypes, and creative problem-solvers. $300 in prizes Nov 20, 2026 05:00 PM EST to submit 480 participants
PayPal AI Hackathon Featured Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 31339 participants
Codex x TwitchCon Hackathon Online Build for streamers and their community on Twitch with OpenAI Codex. $25,000 in prizes, and the top 5 are shown on the Codex Booth stage at TwitchCon. $25,000 in prizes Winners TBD 2218 participants
Build With AI: Basics Online Learn AI best practices by creating a solid proof-of-concept for your dream project. $2,500 in prizes Winners announced 5096 participants
CSC Back-to-School Hackathon Online Build an app, tool, website, or gadget that helps students, teachers, or schools solve a real school-life problem $400 in prizes Winners announced 552 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28560 participants
ImpactForge Online Every great change started with someone who decided to build it. Join ImpactForge and forge the tools, apps, and ideas the world actually needs. $300 in prizes Winners announced 979 participants
Build Beyond Hackathon Online Build beyond the ordinary. Turn your ideas into real projects, collaborate with innovators, and create solutions that shape the future. Non-monetary prizes Winners announced 1343 participants
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners announced 26393 participants
IncludAI - The Neurodiversity Hackathon, in Partnership with Stanford NNEA Online Build AI tools that actually work for neurodivergent learners — by the community, for the community. $3,000 in prizes Winners announced 383 participants
The Blueprint Hackathon (For All Ages, July 17th-31st) Online Join us for two weeks of coding where you can use your skills to solve real world problems! $8,176 in prizes Winners announced 382 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46659 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
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Winners announced 4405 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 9575 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
NextGenHacks Online Build the future with NextGenHacks—create innovative projects, explore new ideas, and turn your vision into reality in a beginner-friendly, open-ended hackathon for all builders. $1,000 in prizes Winners announced 1328 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
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14429 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
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