Chris Yoo (PenTest-duck)

Sydney, New South Wales, Australia
Website
GitHub

Build with Gemini XPRIZE

Online

$2,000,000 in prizes. Build with Gemini. Ship products that impact the world.

$2,000,000 in prizes
Aug 17, 2026 04:00 PM EDT to submit
4094 participants

Google Cloud Rapid Agent Hackathon

Online

Building Agents for Real-World Challenges

$60,000 in prizes
Jun 11, 2026 05:00 PM EDT to submit
10275 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
2867 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 TBD
8460 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 TBD
4337 participants

ZerveHack

Online

Stop thinking about it. Build it. Zerve AI Hackathon, $10,000 in prizes.

$10,000 in prizes
Winners announced
2238 participants

Build with GLM 5.1 Challenge by Z.AI

Online

Build real-world AI use cases with GLM 5.1 from Z.ai. Ship in 1 week. Win cash prizes, get featured, and gain visibility across the global dev ecosystem.

$5,000 in prizes
Winners TBD
222 participants

RevenueCat Shipyard: Creator Contest

Online

Collaborate with creators to build their app in 1 month

$165,000 in prizes
Winners announced
7073 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
3522 participants

HackPrinceton Fall 2025

Princeton, NJ, USA

Collaborate and build out brilliant, innovative, and impactful ideas

$17,000 in prizes
Nov 7 – 9, 2025
596 participants

Cal Hacks 12.0

San Francisco, CA, USA

This year's Cal Hacks is co-hosted by Claude, Fetch AI, AppLovin, and Amazon's Annapurna Labs! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas.

$58,100 in prizes
Oct 24 – 26, 2025
2164 participants

HackHarvard 2025: Compile the Decade

Cambridge, MA, USA

Compile the Decade for our 10th anniversary

Non-monetary prizes
Oct 3 – 5, 2025
528 participants

AWS Lambda Hackathon

Online

Build solutions that scale: power your ideas with AWS Lambda

$15,000 in prizes
Winners announced
3716 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
128407 participants

FoundersHack Sydney 2025

Redfern, Australia

FoundersHack is a 72-hour startup-focused hackathon designed to bring together students, aspiring entrepreneurs, and problem-solvers to build, test, and pitch bold startup ideas.

$3,000 in prizes
May 23 – 26, 2025
68 participants

UNIHACK 2025

Online

The Imagination Hackathon. Sponsored by Logitech.

$8,600 in prizes
Winners announced
654 participants

ElevenLabs x 16z Worldwide Hackathon

Greater London, United Kingdom

ElevenLabs and a16z are holding a worldwide AI agents hackathon. We will bring together the world's best builders at 9 in-person + online events simultaneously. Feb 22-23 2025

$92,247 in prizes
Feb 21 – 24, 2025
834 participants

The Docusign Hackathon: Unlocked

Online

Unlock what's possible. Build the future of Agreements.

$48,000 in prizes
Winners announced
1383 participants

Nosu AI Hackathon $11,300+ in prizes

Online

Make something COOL with AI !!!

$11,505 in prizes
Winners announced
1459 participants

2024 TikTok TechJam

Online

Unleash creativity and break boundaries

$67,500 in prizes
Winners announced
4428 participants