Chris Ndirangu (ChrisNdirangu)

STEMergent Hacks 2026

Online

A student hackathon and ideathon to build creative tech solutions for real community problems.

Non-monetary prizes
Nov 15, 2026 10:30 PM EST to submit
219 participants

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
27306 participants

Nebius x NVIDIA Global AI Hackathon

Online

Build the next frontier of AI on open infrastructure

$50,000 in prizes
Winners TBD
29881 participants

Build, Ship, Shape: Amazon Developer Hackathon

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Winners TBD
65043 participants

Build with Gemini XPRIZE

Online

$2,000,000 in prizes. Build with Gemini. Ship products that impact the world.

$2,000,000 in prizes
Winners announced
26395 participants

2019 Developer Circles from Facebook Community Challenge

Online

Build software using React360, Spark AR, or HTML5 Games to give people the power to connect with friends and family, find communities and grow businesses.

$167,500 in prizes
Winners announced
12071 participants