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DEV Challenges

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

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I Built a Space App That Gives You Real-Time Planetary Data — Powered by Gemma 4, No Backend

Gemma 4 Challenge: Build With Gemma 4 Submission

I Built a Space App That Gives You Real-Time Planetary Data — Powered by Gemma 4, No Backend

24
Comments 10
8 min read
Hermes Meter: A Physical Desk Display

Hermes Agent Challenge Submission

Hermes Meter: A Physical Desk Display

2
Comments
5 min read
I Ran Hermes Agent Locally on CPU-Only Hardware With llamafile — No GPU, No Server, No Cloud API

Hermes Agent Challenge Submission

I Ran Hermes Agent Locally on CPU-Only Hardware With llamafile — No GPU, No Server, No Cloud API

1
Comments
7 min read
Hermes StreamMemory: Local Visual Memory for Open Agents With FFmpeg, Frame Hashes, and Replayable Evidence

Hermes Agent Challenge Submission

Hermes StreamMemory: Local Visual Memory for Open Agents With FFmpeg, Frame Hashes, and Replayable Evidence

2
Comments
6 min read
Hermes Agent — The System That Doesn’t Stop When the Task Ends

Hermes Agent Challenge Submission

Hermes Agent — The System That Doesn’t Stop When the Task Ends

5
Comments 1
2 min read
CPU-First Hermes: Local GGUF Streaming With llamafile, Token Tracking, and Safe Timeouts

Hermes Agent Challenge Submission

CPU-First Hermes: Local GGUF Streaming With llamafile, Token Tracking, and Safe Timeouts

11
Comments 1
7 min read
GemmaDiff: I Built a Local AI Code Reviewer with Gemma 4 That Never Sends Your Code to the Cloud

Gemma 4 Challenge: Build With Gemma 4 Submission

GemmaDiff: I Built a Local AI Code Reviewer with Gemma 4 That Never Sends Your Code to the Cloud

7
Comments 1
4 min read
I Built a Telegram-Based AI Career Agent with Hermes Agent

Hermes Agent Challenge Submission

I Built a Telegram-Based AI Career Agent with Hermes Agent

1
Comments
4 min read
Nexara: Solving India's ₹530 Billion MSME credit gap, one business at a time. Built with MeDo ⚡

Nexara: Solving India's ₹530 Billion MSME credit gap, one business at a time. Built with MeDo ⚡

2
Comments
7 min read
I Built an IoT Forensic Investigation Simulator Powered by Gemma 4 — Paste Any Incident, Get a Full Case with Evidence, Decisions, and a Forensic Report

Gemma 4 Challenge: Build With Gemma 4 Submission

I Built an IoT Forensic Investigation Simulator Powered by Gemma 4 — Paste Any Incident, Get a Full Case with Evidence, Decisions, and a Forensic Report

2
Comments
4 min read
JudgeMental Feline

April Fools Challenge Submission ☕️🤡

JudgeMental Feline

Comments
1 min read
What happens when an AI agent never stops watching? Hermes Agent as a persistent cognitive layer for your Digital life

Hermes Agent Challenge Submission

What happens when an AI agent never stops watching? Hermes Agent as a persistent cognitive layer for your Digital life

16
Comments
7 min read
What Gemma 4 Means for Africa

Gemma 4 Challenge: Write about Gemma 4 Submission

What Gemma 4 Means for Africa

6
Comments
3 min read
MedScan Assistant — AI medication label reader for seniors, powered by Gemma 4

MedScan Assistant — AI medication label reader for seniors, powered by Gemma 4

4
Comments 2
2 min read
This could have all been avoided with just a single line. Back to basics fellas.

April Fools Challenge Submission ☕️🤡

This could have all been avoided with just a single line. Back to basics fellas.

Comments
1 min read
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