Stranger Builds | Halloween Hackathon (Online)

STRANGER BUILDS 🎃 The nerdiest Halloween hack ever.

This is the Online edition of Stranger Builds.

...what will you bring to life? Find your first users in 7 days. Meet other builders, build something strange, and get real people using it.

U$10.000 IN CASH PRIZES AND CREDITS, CHALLENGES TO BE ANNOUNCED SOON! 🔥

HOW IT WORKS

• ⚡ Saturday, October 31: one day in person in San Francisco or Melbourne, or online from anywhere.
• ⚡ Then seven days online to ship.

BACKED BY

• 🟠 Base44, Main Sponsor. Describe an app in plain words and get a working one, with backend, auth and hosting built in. base44.com
• 🟢 Fetch.ai, Main Sponsor. Build AI agents that find each other and get things done. fetch.ai
• 🔵 Vonage. APIs for messaging, voice and video inside your app. vonage.com
• 🦀 Shelled AI, Community Partner. Design, build, test and ship software with any AI model. shelled.ai
• 🦘 MLAI AUS, Community Partner (Melbourne). Our partner in Melbourne. mlai.au

👀 Judge announcements are coming.

Want to judge or sponsor? Get in touch: hey@nerdconf.com

Join the other editions:

• San Francisco 👉 https://luma.com/xwoo0s7r
• Melbourne 👉 https://luma.com/brg6yp1r

NERDCONF runs hackathons in San Francisco and around the world, with a global network of 25K+ builders. The last one was Burning Token, September 2026, San Francisco and online.