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Show off what you've built!

submission guidelines

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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james-sib

Feb 10

Email Verification APIs Compared: 2026 Benchmark (With Real Pricing)

#showdev #api #saas #webdev

2 min read

Daniel for Datalaria

Jan 8

Building My Digital 'Swiss Army Knife': A Custom Unit Converter with AI

#showdev #ai #productivity #tooling

6 min read

Jan 6

Simulated and monitored DDoS attacks in VirtualBox using Kali Linux and Ubuntu

#showdev #cybersecurity #linux #networking

1 min read

Cover image for Benchmark: I replaced Gemini CLI's Vector RAG with Context Trees to stop the hallucinations (99% Token Reduction)

chi lan

Jan 9

Benchmark: I replaced Gemini CLI's Vector RAG with Context Trees to stop the hallucinations (99% Token Reduction)

#showdev #ai #productivity #gemini

2 min read

Cover image for I Built a Free Business Card Generator with Next.js 14 - Here's What I Learned

Jan 7

I Built a Free Business Card Generator with Next.js 14 - Here's What I Learned

#showdev #learning #nextjs #webdev

4 min read

Jan 7

Reflexes, Cognition, and Thought

#showdev #arduino #hardware #beginners

5 min read

Cover image for 🚀 Just Launched My Smart TV / OTT Portfolio 📺

Bruno Aggierni 🇺🇾

Jan 11

🚀 Just Launched My Smart TV / OTT Portfolio 📺

#showdev #javascript #portfolio #react

1 min read

Feb 10

🎙️ I built a voice chat app because I wanted to talk to my son while we play online

#showdev #opensource #privacy #webdev

2 min read

Cover image for I built an npm package that auto-generates alt text for images using AI

Carolina Herrera

Feb 9

I built an npm package that auto-generates alt text for images using AI

#showdev #ai #automation #javascript

2 min read

Jan 7

I Built the "Anti-Wiki" for Little Nightmares 3 using Astro (100% Lighthouse Score)

#showdev #javascript #performance #webdev

2 min read

Jan 6

I Built a Lead Qualification System in 7 Days Using n8n + AI

#showdev #ai #automation #tooling

1 min read

Cover image for I Built a Free GitHub Stats Generator (Contribution Streak Cards)

Qwerty

Jan 11

I Built a Free GitHub Stats Generator (Contribution Streak Cards)

#showdev #github #webdev

1 min read

Cover image for Why I built fontgenerator.design: A clean Unicode reference for developers (Show HN 200+ points)

Mia He

Jan 9

Why I built fontgenerator.design: A clean Unicode reference for developers (Show HN 200+ points)

#showdev #webdev #javascript #nextjs

2 min read

Cover image for Brooke's AWS Valentine's Day Cards 2026

Brooke Jamieson for AWS

Feb 9

Brooke's AWS Valentine's Day Cards 2026

#showdev #aws #watercooler

15 min read

Feb 8

QHexView 5.1 Release (and a little bit of history)

#showdev #cpp #qt #opensource

2 min read

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