I got burned by an EOL Node.js version in prod. So I built a tracker.
Last year, a security audit uncovered a vulnerability in our production environment. The finding: we were using Node.js 16, a version that had been ne…
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Stop pasting JWTs into random websites — I built a zero-dep CLI to decode them in your terminal
You're debugging an auth issue. There's a JWT in a log line, or in an Authorization header you copied out of the network tab. You need to know two thi…
Overwhelmed by Overengineering in Project Tracking Tools. The Result? I Built a Lightweight, Local-First Project Tracker.
Hey everyone 👋 I want to give a massive shoutout to AI — it has injected a whole new level of passion and joy into coding for a non-tech guy like me. …
I tracked every GitHub traffic spike for my open source LLM proxy for 7 weeks. Then I did the exact same thing again, and it worked again.
When I shipped Trooper , a privacy-aware LLM proxy written in Go, I didn't have a marketing plan. I had GitHub traffic analytics and a habit of checki…
Stop Rewriting UI Components for Every Project
Ever started a new project and found yourself rebuilding the same modal, dropdown, toast notification, tabs, and switches for the 20th time? I got tir…
I scraped Chrome Web Store reviews to find abandoned extensions that still have 100k+ users
I've shipped 4 Chrome extensions and 2 VS Code extensions. The advice that always sounds smart — "find a popular extension the dev abandoned, rebuild …
Turn any PHP host into a gateway to your local network with host2gateway
Ever wanted to turn a simple PHP host into a gateway for your local network? I built host2gateway to do exactly that. ProfiDE / host2gateway Uses a PH…
UVS: a draw's fairness as a fact you can recompute — not a certificate you trust
I've built casino slot machines and gaming systems for 15 years. I mostly stayed away from compliance, but once I had to write the official algorithm …
LifeLine Loop — AI-Powered Food Rescue Platform
Problem We Solved Every year, millions of tons of perfectly edible food are wasted across India from restaurants, weddings, hostels, corporate cafeter…
I built an offline wiki that fits in a single 19 KB HTML file
I kept hitting the same wall looking for an offline wiki. Kiwix is great, but it's an app plus multi-GB ZIM files. IPFS needs connectivity and setup. …
Samiksha AI: Universal Review & comment Analyzer
Hey DEV Community! I recently participated in a hackathon and built Samiksha AI , a universal review and comment analyzer designed to turn messy custo…
Building BookVerse AI: An Intelligent Book Recommendation System
Finding the next book to read can be overwhelming. To solve this, I built BookVerse AI, a content-based book recommendation system web application wit…
[NEW] I spent 3 months teaching AI agents my codebase. They forgot by morning. Every. Single. Day.
Every morning for three months, the first thing I did was re-explain myself to my own tools. Not the code. The code was fine. I mean everything around…
Simulating 2G to build an offline-first sync engine in Rust for rural clinics
hey dev.to, so I am Mathéo, a 2nd year CS student at EPITECH Nancy (France). I want to share a project I have been building for the last few months: Z…
I Built a Django-Inspired Web Framework in Rust — Here's What I Learned
If you've ever used Django, you know the feeling: one command, and you have an admin panel, an ORM, form validation, middleware, session handling — ev…
Why I stopped copy-pasting JSON into online converters and built TypeMorph
Why I stopped copy-pasting JSON into online converters and built TypeMorph Every developer has done it. You grab a JSON response from an API, paste it…
GhostPR : MCP For Future
AI coding assistants are becoming very good at reading code. But they still struggle with something humans rely on constantly: understanding why the c…
Smart Query-Aware Cache Invalidation: Solving Mongoose Performance at Scale
The Mongoose Caching Problem (And How We Solved It) From 300 RPS to 700+ RPS: A 2.2x Performance Breakthrough When you're building a Node.js applicati…
I Built a Developer Tool in 2 Days. Distribution Took 2 Weeks and Still Counting.
This isn't a success story. It's an honest account of what it actually feels like to build something real from India and try to get the world to notic…
What I learned building pipeline-aware content variants in a static Astro directory
Conclusion first : you can encode meaningful editorial differentiation into static Astro pages at build time using a single metadata field — pipeline_…
Putting your live windows on an infinite canvas: the "park & swap" trick (C++ / WGC / D3D11)
The problem Alt-tab and multiple monitors are how we've juggled windows for 30 years. I wanted something spatial: zoom out, see every window at once; …
I Built 135 Free Browser Tools — No Ads, No Sign-Up, No Tracking
I'm not a startup. I don't have a team. I'm just a developer who got tired of landing on tool websites that shove ads in your face, demand an account …
I almost burned ₹4,000 on Claude API overnight — so I built llm-cost-guard
I almost burned ₹4,000 on Claude API overnight — so I built llm-cost-guard Last month I wrote what I thought was a harmless script. Batch-process 847 …
I built a document converter that never uploads your files
Every time you use an online PDF converter, your file travels to a server somewhere — processed by a company you don't know, stored temporarily on har…
Building a Universal Container System (So I Never Have to Write Another Dockerfile)
TL;DR: Built a modular Dockerfile system that lets you compose dev/prod containers using build arguments instead of writing custom Dockerfiles. Includ…
How I Built KisanX — A Full-Stack Agricultural Marketplace
How I Built KisanX — A Full-Stack Agricultural Marketplace (MERN + PHP + React Native) By Saniya Farooqui | Full-Stack Developer | Mumbai The Problem …
Show HN: NeuralBridge - Self-Healing SDK for LLM-Powered AI Agents
Show HN: NeuralBridge — We Built a Self-Healing SDK for LLM-Powered Agents After months of production experience running LLM calls at scale, we realiz…
I'm building local voice dictation that turns talk into finished text — commit messages, tickets, clean prose — all on your own machine
I talk most of my AI-coding prompts now instead of typing them, and I wanted a tool that does more than transcribe: you speak, and it gives you finish…
I built a free WCAG scanner because I kept shipping accessibility regressions
The pattern that pushed me to build this: I'd fix an accessibility issue, ship, and a few deploys later it would quietly come back. A contrast tweak u…
Building Dhrishti - Part 3: Testing on a Production Grade System
I was now done with the basic setup. However, during my time working at my startup, I have learnt to think about a project wearing multiple caps. One …