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

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I built an email writer for my father

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

I built an email writer for my father

3
Comments
3 min read
I Built PingMe — An AI That Turns Your Messy Thoughts Into Tasks

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

I Built PingMe — An AI That Turns Your Messy Thoughts Into Tasks

2
Comments 2
9 min read
Before the Alarm Screams at 3 AM: Predicting Liam's Nocturnal Hypoglycemia with Prior Labs TabPFN

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Before the Alarm Screams at 3 AM: Predicting Liam's Nocturnal Hypoglycemia with Prior Labs TabPFN

86
Picked as gem Comments 22
10 min read
RevSofia, a Car Meetup app that people will love to use

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

RevSofia, a Car Meetup app that people will love to use

24
Comments 5
7 min read
Cold Kills Batteries, Screen Glare Destroys Night Vision: I Built HushHike with Render, ElevenLabs & Mastra to Navigate the Alpine in 30 Seconds

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

Cold Kills Batteries, Screen Glare Destroys Night Vision: I Built HushHike with Render, ElevenLabs & Mastra to Navigate the Alpine in 30 Seconds

21
Comments 2
11 min read
PostCall: a proposal writer that never sends your client calls anywhere (Whisper + Gemma 4, all local)

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission đź’¸

PostCall: a proposal writer that never sends your client calls anywhere (Whisper + Gemma 4, all local)

10
Comments
6 min read
Open Source Migration Tool

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission đź’¸

Open Source Migration Tool

2
Comments 1
13 min read
MemoryMate — Turning Friend Conversations Into Memories

MemoryMate — Turning Friend Conversations Into Memories

Comments
2 min read
VivaMate: A Local AI Interview Partner I Built for a Friend

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

VivaMate: A Local AI Interview Partner I Built for a Friend

Comments
2 min read
tl;dr — I Built a Local AI That Turned my friend's Chaotic WhatsApp Group Chats Into Calendar Events

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

tl;dr — I Built a Local AI That Turned my friend's Chaotic WhatsApp Group Chats Into Calendar Events

1
Comments 2
5 min read
Orbit V3: From a Research Companion to Learning With a Personal AI Assistant

Sanity Challenge Path One Submission

Orbit V3: From a Research Companion to Learning With a Personal AI Assistant

1
Comments
13 min read
BillSathi: Proof Before Trust — Autonomous Financial Document Intelligence for Freelancers & Micro-Agencies

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission đź’¸

BillSathi: Proof Before Trust — Autonomous Financial Document Intelligence for Freelancers & Micro-Agencies

6
Comments
6 min read
My kirana bhaiya ran his shop on andaaza, so I gave him an offline Gemma app that tells him what to reorder

Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission đź’¸

My kirana bhaiya ran his shop on andaaza, so I gave him an offline Gemma app that tells him what to reorder

5
Comments
4 min read
Three AI judges, one dirty sink

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Three AI judges, one dirty sink

1
Comments 1
6 min read
Breaking Character: How "Thinking" AI Survives Villain Roleplay Traps

Breaking Character: How "Thinking" AI Survives Villain Roleplay Traps

Comments
2 min read
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