sparkyrider Hu (sparkyrider)

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46658 participants

OpenClaw Hackathon Vienna

Wien, Austria

Build innovative real world systems using AI across Agents, OpenClaw, Healthcare and Cyber Security.

$2,875 in prizes
Mar 27 – 28, 2026
71 participants