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DEV Community

For showing off projects and launching products.

Please make posts community-driven and not overly corporate or salesy.

Typically it is for showing off your thing or your company's thing. You can however, show off someone else's thing, but just make it clear it's theirs and not yours.

Don't just use this tag to share posts or tutorials your proud of — this is really for projects.

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benjamin

Jun 17

fdupes is great — until you can't install it. I built a zero-install duplicate finder.

#showdev #cli #opensource #productivity

2 min read

Thong Dang

Jul 21

I built a free QR code API with no API key — here's the stack (Cloudflare, zero-dep PNG)

#showdev #webdev #javascript #cloudflare

3 min read

benjamin

Jun 17

git diff on JSON is mostly noise. So I built a structural diff.

#showdev #json #cli #opensource

2 min read

Jeffrey Hamilton

Jul 21

Every photo you share online has hidden GPS data in it (here's how to fix that)

#showdev #javascript #privacy #security

2 min read

龚旭东

Jun 18

How We Translate Entire Books with LLMs Without Losing Context

#showdev #python #ai #tutorial

5 min read

FLOW by Vestelon

Jun 18

How I built a PDF bank statement analyzer in 8 languages (and what I learned)

#showdev #fintech #python #ai

2 min read

wontopos

Jul 21

We got tired of stuffing our AI agent's entire chat history into every prompt, so we built an API that doesn't

#showdev #ai #llm #performance

1 min read

will will

Jun 17

I built a free tool to find the Steam games eating your SSD

#showdev #python #gamedev #windows

1 min read

Transaction-level safety over regex guardrails

Jul 18

Why I built a SQL client when 10 already exist — then let AI agents into it

#showdev #ai #mcp #database

4 min read

CrisisCore-Systems

Jun 17

What I Learned Building a Free Tool Before Anyone Asked for It

#showdev #learning #privacy #sideprojects

3 min read

Stéphane Derosiaux

Jul 21

Chrome Shrunk a 30,000 Token Web Page Into 300 Tokens.

#showdev #ai #rust #llm

5 min read

benjamin

Jun 17

Your package-lock.json diff is unreadable. That's a supply-chain problem.

#showdev #security #npm #opensource

3 min read

Ahmed Mohyeldin

Jul 21

Introducing ConVTS: a C/C++ Library for Modern Terminal Applications

#showdev #c #cpp #opensource

4 min read

Jul 21

I REBUILT MY SITE WITH ASTRO & SANITY

#showdev #astro #frontend #webdev

5 min read

Jun 21

Building a real-time desktop AI copilot for calls: the hard parts

#showdev #ai #architecture #productivity

3 min read

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