DEV Community

Hacktoberfest is here. Build with open models.

Run an open-weight model, build on an open-source agent harness, or go fully local. The Weekend Challenge kicks things off now.

Jem for The DEV Team

Oct 2

Join the Hacktoberfest Weekend Challenge: Build for a Friend! $2,450 in Prizes Across 17 Winners. Submissions Due October 5 at 6:59 AM UTC.

#devchallenge #weekendchallenge #hf26challenge #hacktoberfest

6 min read

Cover image for What was your win this week?

Community shares diverse personal achievements

Jess Lee for The DEV Team

Oct 2

What was your win this week?

#weeklyretro

1 min read

Bypassing GitHub's strict sandbox via SVGs

Giorgi Kobaidze

Oct 1

I Turned My GitHub Profile Into a Cyberpunk Console With a City Built From My Contributions

#showdev #python #github #design

159

15 min read

Kaggle Benchmarking Challenge Submission

Soumyadeep Dey

Oct 2

I Gave 15 AI Models Proof Their Hacking Target Was a Real Company. 73% of the Ones That Noticed Told No One.

#devchallenge #kagglechallenge #ai #machinelearning

44 min read

Includes a complete C# build log and live link

Iseoluwa Olowogoke

Oct 3

I Was Overwhelmed, So I Turned My GitHub Profile Into a Roguelike Dungeon

#showdev #csharp #gamedev #github

7 min read

Includes video and contributor perks

Anthony Max

Oct 3

EmbedCatalog is participating in Hacktoberfest 2026

#webdev #javascript #programming #opensource

129

2 min read

Readers celebrating 19 consistent editions

Hemapriya Kanagala for The DEVengers

Oct 2

Dev Opportunity Radar #19: Hacktoberfest, $20K AI Agent Hackathon, and Pear Prime 2027

#discuss #community #resources #opportunities

10 min read

Organized entirely by a solo student

Dhruv Jani

Oct 2

Hacktoberfest Is Coming to Nadiad, Gujarat 🚀 Official MLH Meetup at DDU, 15 Oct

#hacktoberfest #opensource #ai #beginners

4 min read

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Jessica Doering

Oct 4

I built my husband a vim trainer with a Gemma coach that runs in the browser

#showdev #devchallenge #weekendchallenge #hf26challenge

6 min read

Alex Georgiev

Oct 4

Valkey 9.2's forkless BGSAVE cuts my memory spike from 350MB to 10MB

#valkey #database #performance #devops

7 min read

xbill for Google Developer Experts

Oct 2

Write Markdown Once, Publish It Everywhere: dev.to, Medium, AWS Builder Center and LinkedIn

#writing #markdown #devtools #ai

10 min read

Info Inlet

Oct 4

I built the same app twice — by hand, then with AI. I trust the fast one less.

#discuss #ai #webdev #csharp

6 min read

Hacktoberfest Weekend Challenge: Build for a Friend Submission 🤝

Himanshu Kumar

Oct 4

Suniye: let my parents hear the message themselves

#devchallenge #weekendchallenge #hf26challenge

12 min read

Sanity Challenge Path One Submission

Anshu Mandal

Oct 4

The Goblin Warren: an AI Dungeon Master that never invents a rule

#sanitychallenge #gamedev #devchallenge #mcp

5 min read

Jessica Doering

Oct 3

Turn Your GitHub Contribution Graph Into an ASCII City

#showdev #github #opensource #go

4 min read

Sanity Challenge Path One Submission

ujja

Oct 4

I Built a Political Accountability Agent That Queries Sanity

#devchallenge #sanitychallenge #sanity #ai

7 min read

Peter Vivo

Oct 4

Terminal is your Friend

#devchallenge #weekendchallenge #hf26challenge #beginners

2 min read

Mahmoud 🦀

Oct 4

🖥️ Code RS: CDN-Free Syntax-Highlighted Code Components for WASM

#webdev #rust #css #tutorial

6 min read

Mahmoud 🦀

Oct 4

🔐 OTP RS: RFC-Compliant OTP Input Components for WASM Frameworks

#webdev #rust #css #tutorial

8 min read