STRANGER BUILDS I 10k in PRIZES I Halloween hackathon
STRANGER BUILDS 🎃 The nerdiest Halloween hack ever.
This is the San Francisco 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
NERD COMMUNITY PARTNERS 🤓
The communities bringing their builders to Stranger Builds:
🤓 Cerebral Valley: SF's technical AI community, behind some of the biggest AI hackathons and model launch nights.
🤓 The AI Collective: local AI meetups and salons in 100+ chapters around the world.
🤓 Crewbase Collective: hackathons, workshops and builder events across San Francisco.
🤓 Bond AI: the in-person AI community, with builder events from SF to London.
🤓 Women in AI: the global nonprofit closing the gender gap in AI.
🤓 Get on Board: Latin America's tech talent community.
🤓 TalentLabs: tech careers, courses and hiring events across Asia.
Run a builder community? Bring it to Stranger Builds.
👀 Judge announcements are coming.
Want to judge or sponsor? Get in touch: hey@nerdconf.com
Join the other editions:
Melbourne 👉 https://luma.com/brg6yp1r
Online 👉 https://luma.com/wn16tj6m
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.