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Hacktoberfest 2026 Challenge

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

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MicroClime: Offline Urban Heat Scout with TabPFN + Gemma (Screen Time: 10 Seconds)

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

MicroClime: Offline Urban Heat Scout with TabPFN + Gemma (Screen Time: 10 Seconds)

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6 min read
Log Off: One Real Place. One Small Activity. Local Gemma.

Log Off: One Real Place. One Small Activity. Local Gemma.

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5 min read
Outside Is the Prompt: An AI That Needs Me to Touch Grass Before It Can Write

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

Outside Is the Prompt: An AI That Needs Me to Touch Grass Before It Can Write

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5 min read
Connect Nature

Connect Nature

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5 min read
I built Pakistan's missing paddling app - it predicts river flows, speaks Urdu, and refuses to say "safe"

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

I built Pakistan's missing paddling app - it predicts river flows, speaks Urdu, and refuses to say "safe"

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9 min read
adventure.ai: A Local-AI Field Guide That Gets You Off Your Phone

adventure.ai: A Local-AI Field Guide That Gets You Off Your Phone

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6 min read
I built the thing that tells me to go outside, because I am the person who never does

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

I built the thing that tells me to go outside, because I am the person who never does

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8 min read
My walking app won't count a walk until my phone sees grass (and the photo never leaves it)

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

My walking app won't count a walk until my phone sees grass (and the photo never leaves it)

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10 min read
Look Up: an offline AI that nudges you to go see tonight’s sky

Look Up: an offline AI that nudges you to go see tonight’s sky

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4 min read
WanderEar: Shazam for the Wild — open-weight AI that sends you outside

WanderEar: Shazam for the Wild — open-weight AI that sends you outside

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4 min read
Garden Mind AI

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

Garden Mind AI

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7 min read
Back to Being: go outside, write it yourself, then let a local AI name what you noticed

Back to Being: go outside, write it yourself, then let a local AI name what you noticed

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6 min read
Trail Echo: An Offline Bird Logger Built on BirdNET

Trail Echo: An Offline Bird Logger Built on BirdNET

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2 min read
Footnotes: a bucket-list notebook that only fills up when you go outside

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

Footnotes: a bucket-list notebook that only fills up when you go outside

Comments
6 min read
TouchGrass: an open-weight AI that kicks you out the door

TouchGrass: an open-weight AI that kicks you out the door

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3 min read
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