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Hacktoberfest 2026 Challenge

This is the official tag for submissions and announcements related to Hacktoberfest Challenges.

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There's no fall foliage in Phnom Penh, so I built an offline AI that sends me out to flip buckets

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

There's no fall foliage in Phnom Penh, so I built an offline AI that sends me out to flip buckets

Comments 1
10 min read
💬 Real-Time Chat — Instant Connections, Anywhere

💬 Real-Time Chat — Instant Connections, Anywhere

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2 min read
VANANSH - AI Tree Doctor: Open-Source AI Care for Local Farmers

VANANSH - AI Tree Doctor: Open-Source AI Care for Local Farmers

Comments 1
3 min read
My Friend Didn't Need Another Reminder App — She Needed Accountability

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

My Friend Didn't Need Another Reminder App — She Needed Accountability

Comments
3 min read
Grass Gate: my feeds only unlock after an open-weight model sees me outside

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

Grass Gate: my feeds only unlock after an open-weight model sees me outside

Comments 1
7 min read
AI Garden Buddy: A Local AI That Helps You Touch Grass

Hacktoberfest Open-Source AI Challenge Week 1: Touch Grass Submission 🌿

AI Garden Buddy: A Local AI That Helps You Touch Grass

BERJAYA 1
Comments
3 min read
WhatIF — An AI Counterfactual Machine

WhatIF — An AI Counterfactual Machine

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3 min read
🕵️ Money Detective

🕵️ Money Detective

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3 min read
Bridging Distance with Real-Time Chat

Bridging Distance with Real-Time Chat

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3 min read
StudySprint — Stop Planning. Start Studying. 📚

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

StudySprint — Stop Planning. Start Studying. 📚

Comments
1 min read
StudyMate AI: I Built an Open-Source AI Study Partner for My College Friend 📚

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

StudyMate AI: I Built an Open-Source AI Study Partner for My College Friend 📚

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3 min read
Ferrum: A Systems Coding Agent Built for Developers Who Want to Understand the Code

Ferrum: A Systems Coding Agent Built for Developers Who Want to Understand the Code

BERJAYA 1
Comments
2 min read
Shalom Home: my grandpa's phone launcher, rebuilt to stop annoying him.

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Shalom Home: my grandpa's phone launcher, rebuilt to stop annoying him.

Comments
6 min read
My mom asks "what should I cook?" every day, so I built her an app using an open model

My mom asks "what should I cook?" every day, so I built her an app using an open model

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4 min read
DatePilot A little more together MADE FOR TWO

DatePilot A little more together MADE FOR TWO

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3 min read
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