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Hacktoberfest 2026 Challenge

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

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HEXAW programming language for WebAssembly instead WAT

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

HEXAW programming language for WebAssembly instead WAT

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Comments 7
4 min read
Join the Hacktoberfest Open-Source AI Challenge: Ghost in the Machine! $2,850 in Prizes Across 21 Winners.

Join the Hacktoberfest Open-Source AI Challenge: Ghost in the Machine! $2,850 in Prizes Across 21 Winners.

39
Picked as gem Comments 7
7 min read
Calavera Cabina: a tribute app for Día de Muertos

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Calavera Cabina: a tribute app for Día de Muertos

5
Comments 2
6 min read
The Haunted AI Mirror

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

The Haunted AI Mirror

1
Comments
4 min read
ContextForge: Resurrecting Codebase Blueprints to Slash LLM Token Waste by 90%

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

ContextForge: Resurrecting Codebase Blueprints to Slash LLM Token Waste by 90%

Comments
5 min read
Marigold: an altar that will not invent the dead

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Marigold: an altar that will not invent the dead

Comments
6 min read
Older Card: the later story is louder, and the line is thrown away

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Older Card: the later story is louder, and the line is thrown away

Comments
4 min read
I Summoned the Ghost of Atom and It Blamed "Disable tests."

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

I Summoned the Ghost of Atom and It Blamed "Disable tests."

Comments
2 min read
AI Ghost Story Generator: Bringing Spooky Lore to Life with Open-Weight LLMs & Horror Voice Narration 👻

AI Ghost Story Generator: Bringing Spooky Lore to Life with Open-Weight LLMs & Horror Voice Narration 👻

1
Comments
4 min read
The Midnight Game — The Game That Remembers

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

The Midnight Game — The Game That Remembers

Comments
4 min read
COBOL-GHOUL: The Local Séance Chatbot Channeling Dead Code

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

COBOL-GHOUL: The Local Séance Chatbot Channeling Dead Code

Comments
3 min read
NecroShell — The Haunted Open-Source AI Terminal & Digital Séance

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

NecroShell — The Haunted Open-Source AI Terminal & Digital Séance

Comments
5 min read
Wayback Séance, I asked dead websites to speak and made them cite their sources

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Wayback Séance, I asked dead websites to speak and made them cite their sources

Comments
7 min read
EchoLantern: A Private Little Archive for Memories

EchoLantern: A Private Little Archive for Memories

5
Comments
3 min read
CodeClash: 1v1 Codeforces Duels, Now Haunted by a Local-LLM Ghost Racer

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

CodeClash: 1v1 Codeforces Duels, Now Haunted by a Local-LLM Ghost Racer

Comments
4 min read
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