Mackdonald Shiwani (shiwanimackdonald)

Kenya

Build with Gemini XPRIZE

Featured

Online

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

$2,000,000 in prizes
Aug 17, 2026 04:00 PM EDT to submit
17492 participants

H0: Hack the Zero Stack with Vercel v0 and AWS Databases

Online

Front-end in minutes. Back-end designed for scale.

$80,000 in prizes
Winners TBD
9773 participants

Optimization Grand Challenge 2026

Magokjungang 8-ro, South Korea

A global optimization competition by LG CNS — solve the Grand Shipyard Puzzle and compete for KRW 200M in prizes!

$103,000 in prizes
May 25 – Jun 8, 2026
210 participants

CyberHack

Kecamatan Sukolilo, Indonesia

Build solutions to solve real company problems

$12,000,000 in prizes
May 25 – 31, 2026
91 participants

National Hackathon 2K25

Sherpur, India

Research and Innovation for the all the under gratudates

₹ 90,000 in prizes
Sep 25 – Oct 4, 2025
43 participants

Proof of Concept

Online

If you could prove any data on the internet - what would you build?

$25,000 in prizes
Winners announced
1903 participants

AlgoFest Hackathon

Online

Battle of the beasts

$5,300 in prizes
Winners announced
1009 participants

Medi-Hack

Online

Create a tool that can revolutionze the healthcare industry using AI

Non-monetary prizes
Winners announced
279 participants

Qloo LLM Hackathon

Online

Join Qloo’s first global hackathon, a month-long event inviting developers, builders, and creatives to explore what’s possible at the intersection of LLMs and Qloo’s API.

$25,000 in prizes
Winners announced
2851 participants

Africa Deep Tech Challenge 2025

Online

Create breakthrough solutions that thrive under constraints and unlock Africa’s deep tech potential.

$20,000 in prizes
Winners announced
2819 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
128374 participants