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Hacktoberfest 2026 Challenge

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

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Kyūmei: Why I Taught a Local Gemma Model to Refuse to Guess on Hardware Faults

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Kyūmei: Why I Taught a Local Gemma Model to Refuse to Guess on Hardware Faults

Comments
7 min read
I built a private AI job-intake assistant for a friend's electrical business

I built a private AI job-intake assistant for a friend's electrical business

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3 min read
RecallBuddy — hackathon submission

RecallBuddy — hackathon submission

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10 min read
AI python Helper for my Little Brother

AI python Helper for my Little Brother

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1 min read
DormChef: Midnight Pantry Rescue for Abhishek (Built with Gemma 2 & Ollama)

DormChef: Midnight Pantry Rescue for Abhishek (Built with Gemma 2 & Ollama)

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3 min read
ShiftCal: a local Gemma roster reader for someone close to me

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

ShiftCal: a local Gemma roster reader for someone close to me

Comments
3 min read
Explain This Thing: An AI That Helps My Parents Understand Their Devices

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Explain This Thing: An AI That Helps My Parents Understand Their Devices

Comments
3 min read
Study Buddy: an offline GATE study partner for my friend, built with Ollama

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Study Buddy: an offline GATE study partner for my friend, built with Ollama

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Comments
3 min read
I Built a Mock Interviewer for Friend That Never Leaves My Laptop

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

I Built a Mock Interviewer for Friend That Never Leaves My Laptop

Comments
2 min read
I fine-tuned a 4B open model to read my brother's study-group texts

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

I fine-tuned a 4B open model to read my brother's study-group texts

Comments
5 min read
My sister needs help cooking meals in the kitchen. Agents which read out recipes and provide feedback and improvements should assist her

My sister needs help cooking meals in the kitchen. Agents which read out recipes and provide feedback and improvements should assist her

Comments
5 min read
Udaan CAT: Turning 45 Days of CAT Anxiety into a Clear Study Plan

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Udaan CAT: Turning 45 Days of CAT Anxiety into a Clear Study Plan

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Comments
6 min read
My mother couldn't read her own blood reports. So I built an AI that never invents a number.

Gemma 4 Challenge: Build With Gemma 4 Submission

My mother couldn't read her own blood reports. So I built an AI that never invents a number.

Comments 1
7 min read
Language Map: Helping a Friend Learn French Through the Languages He Already Knows

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Language Map: Helping a Friend Learn French Through the Languages He Already Knows

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Comments
3 min read
I built a trip planner so my friend group finally stops saying "let's go somewhere this long weekend"

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

I built a trip planner so my friend group finally stops saying "let's go somewhere this long weekend"

Comments
7 min read
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