José Castellanos (inboxtoronto)

Toronto, Ontario, Canada

AI Hackathon: Scale Without Borders

Online

Join Canada's first hackathon for immigrants and newcomers in tech

$CAD 2,500 in prizes
Winners announced
66 participants

Google Chrome Built-in AI Challenge 2025

Online

Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI.

$70,000 in prizes
Winners announced
14063 participants

OpenAI Open Model Hackathon

Online

Build with gpt-oss, OpenAI’s open weight reasoning models.

$30,000 in prizes
Winners announced
8642 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
128371 participants