Dried Sandwich (Driedsandwich)

AI-assisted product builder turning real-world workflows into practical, local-first tools with OpenAI Codex.

Hiroshima, Hiroshima, JP
Website
GitHub

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
29540 participants

Learn AR with SPECS

Online

Learn to design for glasses. Your coding agent builds the Lens, no SPECS required.

$2,500 in prizes
Nov 09, 2026 05:00 PM EST to submit
1149 participants

YouCam API Skin AI & eCommerce VTO Hackathon

Online

Build with the YouCam API to Shape the Future of Skincare, Beauty, Fashion and eCommerce - Compete for Top Prizes

$6,000 in prizes
Winners TBD
1706 participants

Qloo Agentic Hackathon

Online

Agents, but with taste.

$25,000 in prizes
Winners TBD
2991 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

Life After Code

Online

The path to production at the speed of imagination

$45,000 in prizes
Winners TBD
3319 participants

OpenCV AI Competition 2026, powered by AWS

Online

Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS). Win money and bragging rights!

$20,250 in prizes
Nov 10, 2026 02:45 AM EST to vote
6348 participants

NextSpark Hacks

Online

Bring your ideas to life at NextSpark Hacks, A hackathon where builders of all skill levels come together to learn, create and tackle real world problems through technology.

$100 in prizes
Winners announced
293 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
5098 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

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46664 participants