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Hacktoberfest 2026 Challenge

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

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Falsify — Find the Smallest Input That Breaks Your C++ Solution (Local AI, No API Keys)
sohith2007 profile
sohith

Falsify — Find the Smallest Input That Breaks Your C++ Solution (Local AI, No API Keys)

#devchallenge #weekendchallenge #hf26challenge
Comments
3 min read
I built my friend a Spanish tutor that runs on her laptop and never phones home
karan244 profile

I built my friend a Spanish tutor that runs on her laptop and never phones home

#devchallenge #weekendchallenge #hf26challenge
Comments
5 min read
I built my friend an AI speaking partner because knowing English isn't the same as speaking it.
rishabh_dev profile

I built my friend an AI speaking partner because knowing English isn't the same as speaking it.

#devchallenge #weekendchallenge #hf26challenge
Comments
7 min read
TigerDB: The Desktop Memory Agent That Never Lets Your Friend Forget Where They Left Off

Hacktoberfest: Maintainer Spotlight
bv_niteesh_be2c0eccc9a5fd profile

TigerDB: The Desktop Memory Agent That Never Lets Your Friend Forget Where They Left Off

#hacktoberfest #hf26challenge #devchallenge #weekendchallenge
Comments
7 min read
FriendFlow AI: A Private, Local Task Board That Turns Messy Thoughts into Clear Actions
sumedha_niroshan_6dd2af73 profile

FriendFlow AI: A Private, Local Task Board That Turns Messy Thoughts into Clear Actions

#devchallenge #weekendchallenge #hf26challenge
Comments
4 min read
One More Try: A Private AI Interview Coach Built for a Friend

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝
navodhyafernando profile

One More Try: A Private AI Interview Coach Built for a Friend

#devchallenge #weekendchallenge #hf26challenge
Comments
6 min read
Work Order Management - From Telegram Messages to WoodShop Orders with Gemma on Digital Ocean

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝
alejandro_magnani_da07ed7 profile

Work Order Management - From Telegram Messages to WoodShop Orders with Gemma on Digital Ocean

#devchallenge #weekendchallenge #hf26challenge
Comments
4 min read
Explain Aloud: If the Screen Disappears, Does the Answer Still Make Sense?
adarsh-singh106 profile

Explain Aloud: If the Screen Disappears, Does the Answer Still Make Sense?

#devchallenge #weekendchallenge #hf26challenge
1
Comments
9 min read
I built PrepMate, an AI interview coach for a friend preparing for SDE interviews 🤝
sriindu profile
Indu

I built PrepMate, an AI interview coach for a friend preparing for SDE interviews 🤝

#hf26challenge #devchallenge
1
Comments
3 min read
I Built an AI Assistant for My Dad’s Wholesale Business
aryan_74_e992d1695f646ff3 profile

I Built an AI Assistant for My Dad’s Wholesale Business

#devchallenge #weekendchallenge #hf26challenge
Comments
5 min read
KotoDane
codewithadi07 profile

KotoDane

#devchallenge #weekendchallenge #hf26challenge
Comments
3 min read
VibeLivre: A Low-Pressure First-Book Picker Built with Gemma

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝
alsopayalll profile

VibeLivre: A Low-Pressure First-Book Picker Built with Gemma

#devchallenge #weekendchallenge #hf26challenge
Comments
6 min read
Voice2Memory: Never Lose an Important Task in a Voice Note Again

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝
hitesh_kumar_c52b485f159a profile

Voice2Memory: Never Lose an Important Task in a Voice Note Again

#devchallenge #weekendchallenge #hf26challenge #tutorial
Comments
3 min read
DartBox Buddy: Running Flutter On-Device with a Local Gemma 4 AI Tutor for My Friend

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝
yadneshteli profile

DartBox Buddy: Running Flutter On-Device with a Local Gemma 4 AI Tutor for My Friend

#hf26challenge #weekendchallenge #devchallenge #gemma
Comments
6 min read
I built a private WhatsApp digest for my friend who mutes every college group
mayank_sharma_814005f2650 profile

I built a private WhatsApp digest for my friend who mutes every college group

#devchallenge #weekendchallenge #hf26challenge
Comments
3 min read
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