Why AND(0, ?) is 0: three values, snapshots and memory in a logic simulator
In my last post I planned a feature, and executing it turned up a bug: the simulator could not hold a bit with two gates. The first circuit in every…
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I built a free, open-source platform with 180+ developer tools and 18 technical guides (Built with Astro)
Hey Dev community! I want to share a project I've been building: Th-Tech. It's a comprehensive, free, and open-source platform for developers. Why I…
Create an AI Dubbing Tool for Video Content
Why Build Your Own AI Dubbing Tool? If you’ve ever needed to localize a video, add a narration track, or simply replace a shaky on‑camera voice, doi…
Écrire un article sur les Web Workers en JavaScript
Debouncing vs. Throttling in JavaScript: How to Choose JavaScript interfaces often receive events faster than they need to perform useful work. A se…
The Hidden Math of Etsy: Why I Ditched Spreadsheets for Code
I remember staring at my bank account after my first big month selling handmade candles on Etsy. I had made dozens of sales, but the deposit was way…
Using AutoClaws free GLM models usage from other sdks (opencode / claude code)
ive been maintaining this small opensource project GLM Proxy (glmproxy on npm) for a while and its finally on the level where im happy to share it o…
Just shipped something I've been building for devs who work with AI coding agents:
Meet Loly Companion — an intelligent, non-intrusive desktop companion & floating notch interface. No more chaotic terminals. Loly sits on your d…
I'm 13. I Spent 101 Days Building a Secure Social Network with Node.js
Hey dev community! 👋🏻 I'm Seif, a software engineer with 4 years of experience who absolutely hates vibe-coding and prefers designing architecture b…
I Built a Chess Tool That Turns My Lost Games Into Personalized Puzzles
One thing I've noticed about improving at chess is that solving puzzles is useful, but learning from your own mistakes is important too. When I lose…
CrUX Now Counts SPA Soft Navigations. 5 Things I'd Check Before Search Console Switches
For years, the Chrome UX Report (CrUX) has had a blind spot. If your site is a single-page app, Chrome only recorded the first "hard" page load. Eve…
I built a free GitHub profile README generator with no badge APIs, no backend and a 3D contribution universe
README-Glassfolio turns your GitHub username into a themed profile README (banner, stats, heatmap, 3D universe, projects) as plain SVGs in your own…
Building physics-based 3D dice in the browser (three.js + cannon-es, PWA, 11 languages)
I built 3DRoll, a free dice roller where the dice actually tumble. Here's how it works. Why physics instead of Math.random() The easy way is to choo…
I'm 13 and I built a free calorie tracker. It's live, and here's everything that broke.
Every calorie app I tried wanted my email and a card before it showed me anything. So I built one that doesn't. I don't write code by hand. I descri…
React state has no type of its own. I gave it one, and it compiles away
In Vue, Solid, and Angular, state has a type of its own: Ref<T> , Accessor<T> , Signal<T> . In React, the count from useState is j…
Your rebuild will drop URLs. Google will tell you in six weeks.
A rebuild changes how pages are made. The old addresses stop existing without anyone deciding they should, and Google notices before you do. Here is…
Building a browser metronome: schedule audio ahead of the UI clock
I'm building Pianory, a browser-based piano learning and practice app. One small feature has a useful implementation lesson: a metronome needs both…
How I Built a 100% Free, Private In-Browser AI Text-to-Speech Tool Using Kokoro-82M & WebGPU
Every time I needed to convert an article, chapter, or voiceover script into natural audio, I ran into the same frustrating wall: Services demanding…
How I Built a 100% In-Browser Instagram Chat Analyzer (Zero Cloud Uploads)
Direct messages contain our most intimate conversations, jokes, memories, and photos. Yet, when searching for tools to visualize chat history or gen…
🎬 Building MovieHub — A Movie Discovery Web App
Hey everyone! 👋 What if you could search for a movie, explore its poster, and open a dedicated details page — all from a simple web application? Tha…
🔎 How I Built DevFinder — A GitHub Profile Finder
Hey developers! 👋 I recently built DevFinder , a small web project that lets you search for GitHub users by their username and explore their publicl…
I built a verifiable "human-made" badge without collecting a single file
I spent ten years as a jewelry maker before going back to full-stack development, so I care about this one personally. I wanted a badge that means s…
Meet Modi: An AI-Powered Learning Assistant Built for Students
Introducing Modi Your learning. Your pieces. Your path. We're building Modi , an AI-powered learning assistant within Modupath, with a simple idea i…
Rendering a 2.9-million-triangle human body in the browser without freezing the page
I built LearnAnatomy3D ( learnanatomy3d.com ), a free 3D human anatomy atlas that runs in the browser: ~2,900 clickable structures across 11 body sy…
I built 10 free Firefox extensions for everyday users — here's what I learned
I've spent the last several months building Firefox extensions focused on everyday users — not developers. Students, remote workers, home users. Peo…
I built TechReveal: A fast, private Wappalyzer alternative for inspecting website tech stacks
Hey devs! 👋 I got tired of tech stack extensions (like Wappalyzer and BuiltWith) becoming slow, tracking browsing history, and locking basic data be…
A11y Memoirs, episode 2. The Devil is in the Details
Welcome back to A11y Memoirs! This series is based on my personal experience of building accessible components for the Vaadin design system. If you…
Building an i18n Pipeline That Doesn't Break on Plurals and RTL Languages
Most i18n bugs aren't discovered by developers. They're discovered by a Polish user who sees "5 wiadomości" rendered as "5 wiadomość", or by an Arab…
Three accessibility bugs in a four-option quiz, and the markup that fixed them
I spent last night making a quiz usable with a keyboard and a screen reader. It is a nine-question drill with four options per question, a live scor…
Building a screen comparison tool around viewing distance
A 65-inch TV and a 75-inch TV are easy to compare on a spec sheet. Comparing a desk monitor with a living-room TV or a cinema screen is a different…
Sharkly vs Jira in 2026: Which Project Management Tool Is Better for AI Development Teams?
Jira has been a staple of software development teams for years. Developers use it to manage backlogs, organize sprints, track bugs, and coordinate r…