Johaan Mannanal (Johaan-Mannanal)

East Renton Highlands, WA, US
Website
GitHub

Nebius x NVIDIA Global AI Hackathon

Online

Build the next frontier of AI on open infrastructure

$50,000 in prizes
Oct 30, 2026 01:00 PM EDT to submit
25954 participants

RevenueCat Shipaton 2026

Online

Ship apps and start making money.

$740,000 in prizes
Winners announced
28588 participants

The WebMCP Challenge

Online

10 days for exploring what’s possible with WebMCP

$35,000 in prizes
Winners announced
7047 participants

NeuralSprint

Online

The future is being built by people just like you. Bring your ideas, your curiosity, and your code — and sprint toward something nobody's built before.

Non-monetary prizes
Winners announced
662 participants

CockroachDB × AWS Hackathon - Build with Agentic Memory

Online

Agents that think. Agents that act. Agents that remember; reliably, globally, at any scale.

$8,750 in prizes
Winners announced
3694 participants

Build with DataHub: The Agent Hackathon

Online

Build AI agents with DataHub's open-source Context Platform.

$20,500 in prizes
Winners announced
3056 participants

IncludAI - The Neurodiversity Hackathon, in Partnership with Stanford NNEA

Online

Build AI tools that actually work for neurodivergent learners — by the community, for the community.

$3,000 in prizes
Winners announced
383 participants

305 SummerCodex Edition July 2026 — 305Hackathons.vercel.app

Online

305 SummerCodex Edition June 2026

Non-monetary prizes
Winners TBD
61 participants

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46674 participants