Siddhesh sonawane (sonawanesiddhesh46)

PayPal AI Hackathon

Online

Build what’s next with PayPal and AI

$67,500 in prizes
Nov 12, 2026 03:00 PM EST to submit
25441 participants

OneAquaHealth IEEE Global Hackathon

Online

Healthy Waters Healthy Ecosystems.Healthy Communities

$3,500 in prizes
Winners TBD
1360 participants

AI Builders Hackathon

Online

Building the Future of Intelligent Systems. The Internet Needs Better AI.

$3,000 in prizes
Winners announced
3505 participants