Find and join hackathons from around the world. Build projects, meet developers, and win prizes.
25 hackathons available
We’re calling on all builders—from seasoned Slack veterans to "vibe coders" picking up the Slack CLI for the first time—to join the Slack Agent Builder Challenge. This is your opportunity to redefine the workplace by building intelligent agents that automate workflows, surface real-time insights, and connect systems in ways we haven’t imagined yet.
Welcome to Brainwave 2026, a global innovation challenge designed to bring together students, developers, designers, researchers, entrepreneurs, and technology professionals from around the world.
OpenAI
Join a global week of building with Codex
Make Waves is a 90-day challenge to build a live app on XRPL Mainnet, get real users, and generate real on-chain volume.
The Zoo API Makeathon is a virtual building competition focused on one goal: Create projects designed to inspire fellow developers, showcase new possibilities with Zoo APIs, and encourage others to build on, remix, and expand their ideas.
Powered by RevenueCat | Build with WWDC26
Step onto the studio lot and solve real problems for filmmakers, screenwriters, studio crews, or fans! Announcing the Agentic Cinema: The Blockbuster Hackathon with Google Cloud 🎬
Ship apps and start making money.
What if your slowest analysis took seconds?, It does now. And we'll pay $10,000 to the people who prove it.
A hackathon series for building real-time apps on Solana. This edition runs a full week, and the theme is Collaboration. The Wizardio's Choice prize is reserved for teams formed during Blitz. Prizes go to projects using Ephemeral Rollups or Private ERs, but anything built with MagicBlock is welcome to submit.
Sarvam BuildIn' Hours is a 12 hour hackathon that brings together developers, founders, researchers, and AI enthusiasts to build innovative applications powered by Sarvam AI.
Rain & Monad Foundation
Build with Rain and Monad at a high-conviction weekend hackathon for senior engineers in New York.
