Vaillant Manzi (vaillantm)

Kigali, Kigali, Rwanda
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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
2821 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
128423 participants

Girlhacks Hackathon 2025

Cambridge, MA, USA

Girlhacks is an organization dedicated to promoting inventions from women. Register for hackathon and support our cause. Exciting prizes await.

Non-monetary prizes
Jun 17 – 21, 2025
10 participants

Hackstory - Create a Website about a historical event

Online

"Hack the Past. Host the Truth."

$100 in prizes
Winners announced
296 participants