Veríssimo Cassange (vec21)

Luanda, Luanda, Angola
Website
GitHub

Africa Deep Tech Challenge 2026

Online

The Laptop LLM Challenge: Build On-Device AI for the Hardware Africa Actually Has

$16,500 in prizes
Winners TBD
1869 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 announced
9733 participants

OpenAI Open Model Hackathon

Online

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

$30,000 in prizes
Winners announced
8637 participants

Agentforce Virtual Hackathon

Online

Build groundbreaking agents and compete for $140k in prizes

$140,000 in prizes
Winners announced
7201 participants

Microsoft Developers AI Learning Hackathon

Online

Learn to build your AI apps with Azure Cosmos DB

$10,000 in prizes
Winners announced
9463 participants