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Hacktoberfest 2026 Challenge

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

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Building a 100% Local Receipt Sorter with Ollama Vision

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

Building a 100% Local Receipt Sorter with Ollama Vision

2
Comments
4 min read
Standup Sloth 🦥: My Laptop Writes My Daily Standup Before I Finish My Chai

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Submission 🦥

Standup Sloth 🦥: My Laptop Writes My Daily Standup Before I Finish My Chai

Comments
4 min read
Vanam by Mahaveer Varma

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

Vanam by Mahaveer Varma

Comments
1 min read
Checkilex: Local AI for the Final Handoff

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

Checkilex: Local AI for the Final Handoff

Comments 1
3 min read
Haggle: rehearse your freelance rate against a lowballing client who lives in your browser tab

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

Haggle: rehearse your freelance rate against a lowballing client who lives in your browser tab

1
Comments
6 min read
A receipt reader on open vision models: 4 models, 50 receipts, 25x price gap

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

A receipt reader on open vision models: 4 models, 50 receipts, 25x price gap

1
Comments 5
6 min read
MarginLeak : Accounts-payable auditor for small businesses

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸

MarginLeak : Accounts-payable auditor for small businesses

1
Comments 3
10 min read
Night Guard: an open-model guard that watches out for kids in game chats, so tired parents don't have to read every message

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Submission 🦥

Night Guard: an open-model guard that watches out for kids in game chats, so tired parents don't have to read every message

Comments
16 min read
BuddyBrain: A Private, On-Device AI Companion Built for My Overwhelmed Friend

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

BuddyBrain: A Private, On-Device AI Companion Built for My Overwhelmed Friend

Comments
3 min read
Spotter an app for gym data

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Spotter an app for gym data

Comments
4 min read
SlothDesk — Local-First AI Downloads Organizer: Less sorting. More living.

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Submission 🦥

SlothDesk — Local-First AI Downloads Organizer: Less sorting. More living.

11
Comments 2
4 min read
Ruko — Stop. Check Before You Tap. रुको.

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Ruko — Stop. Check Before You Tap. रुको.

2
Comments
2 min read
FlatMate OS: I Built a Local AI to Finally Answer “Who Owes Whom?

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

FlatMate OS: I Built a Local AI to Finally Answer “Who Owes Whom?

1
Comments
4 min read
Papel Claro: a local Gemma that explains my grandmother's bank letters in plain Portuguese

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Papel Claro: a local Gemma that explains my grandmother's bank letters in plain Portuguese

1
Comments 2
7 min read
Tiens Bon: I built a local-first, privacy-focused AI companion to help my cousin quit smoking

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Tiens Bon: I built a local-first, privacy-focused AI companion to help my cousin quit smoking

Comments
5 min read
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