I built a real-time social network to challenge X/Twitter. Try to crash it.
Let’s be honest: building another social media app is usually a cliché. But I wanted to see how far I could push modern web architecture, real-time da…
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React Mastery Series – Day 24: React Forms – Controlled Components, Validation & React Hook Form
Welcome back to the React Mastery Series ! In the previous article, we learned how React applications communicate with backend services using Fetch AP…
Warm Table — A Taiwanese Comfort Soup Landing Page
What I Built I built Warm Table , a fictional Taiwanese comfort-soup house inspired by the idea that a warm bowl of soup can make a difficult day feel…
When AI Moves the Button: Build a Support Loop for Adaptive UIs
An adaptive interface can look impressive right up to the moment a user asks, “Where did the export button go?” That question creates an uncomfortable…
A Day in the Life of a Brazilian Dev: $1K Salaries and 5-Hour Commutes
The global tech industry is booming, but the reality for software engineers in South America’s largest country is a grind you probably haven't heard a…
I Built Kikar — An AI Messaging Platform That Creates Digital Versions of People
For the last few months, I've been working on Kikar, an AI-powered social messaging platform with a simple goal: What if every user could have an AI v…
I Published My First npm Package - BurnLink
A few days ago, I released BurnLink on npm with one goal: make it easier for developers to integrate BurnLink into their Node.js applications. As a st…
I built 80+ free browser tools — no signup, no ads, no paywalls (here's what I learned)
A few months ago I got frustrated. I needed to compress a PDF quickly. Found a tool online — it asked me to create an account first. Found another — i…
My New Domain Was Labeled a Scam Before I Even Used It
I recently registered a domain for personal use . There was no online store, no payment form, no advertising, no downloads, and no attempt to collect …
How I Built a Free JSON to Excel Converter That Handles Nested JSON
If you've worked with APIs, you've probably received JSON responses that needed to be shared with non-technical users. While developers are comfortabl…
Building a low-friction DBT skills companion for the web
I built DBT Companion, a free, mobile-friendly web app for exploring skills commonly taught in dialectical behavior therapy: https://dbt-companion.org…
18 API Project Ideas to Build Your Portfolio in 2026
Finding the right API project ideas is one of the fastest ways to turn a thin resume into a portfolio hiring managers actually stop to read. Building …
Pixel Chef AI: A Memory Kitchen That Learns Your Taste
This is a submission for Frontend Challenge - Comfort Food Edition, Perfect Landing 🍳 Pixel Chef AI — A Memory Kitchen That Learns Your Taste What I B…
Building My First Startup From Scratch: Why I Started Askors
Hi everyone! 👋 I'm Aeiou, and this is my first post on DEV Community. Over the past few months, I've been working on something that has completely cha…
I built 38 free browser-only tools that never upload your files
Every time I needed to "compress an image online" or "merge a PDF", I ended up on some site that makes you upload your file to their server. For a ran…
Where to Publish a Web Game in 2026
A finished browser game is a bundle of static files. Whether you built it in Phaser, Three.js, Babylon.js, Godot, or plain canvas code, the output upl…
How I built a live global scoreboard for $0 using Static HTML and Supabase published: true
I wanted to see how far I could push a $0 zero-backend stack without spinning up a server, paying for hosting, or melting a free-tier database during …
🚀 TMA DevKit v2: Local Emulator for Telegram Mini Apps + MCP AI Debugging
😤 The Problem That Drives Everyone Crazy Ever tried building a Telegram Mini App? Write your code. Spin up ngrok (and pray it doesn't crash). Go to @B…
I built an AI job-search agent solo — here's the full stack
I spent the last couple of months building Reclaim — an AI job-search agent for engineers, done solo, taking up nights and weekends. It reads your rés…
Temporize, Promise-aware debounce and throttle for TypeScript
I built Temporize because traditional debounce/throttle utilities don’t compose particularly well with async TypeScript. Every scheduled call returns …
Forget The Build Step: A Browser-Native Editor For JSX + CSS
Frontend tooling is incredibly capable. It is also often front-loaded. For many UI ideas, the first thing you do is not write code. You install, confi…
Applying GCP, AI & Modern Web to Build a Summarized News Experience
While preparing for the Google Cloud Architect certification, I wanted to deepen my understanding by building something practical using the GCP servic…
🚀 Mock APIs Just Got an Upgrade: Network Delay Simulation, Error Testing & Postman Exports in Playground API v2
A few days ago, I introduced Playground API —a zero-config, stateful mock REST API designed to solve a huge frontend headache: mock APIs like standard…
How I Built a Flat-Rate Reverse Geocoding API for Japan to Escape Google Maps Bill Shock
If you've ever built a global app or travel tool operating in Japan, you know the struggle: Google Maps Geocoding API pricing : At $5.00 per 1,000 req…
Introducing Fitz LiveViews: real-time UI in one language, zero JS build
TL;DR — Fitz LiveViews is a real-time UI framework for Fitz , a compiled, gradually-typed language where HTTP, WebSockets, auth, and an ORM are part o…
AI Code Generation Tools 2025: Which One Actually Saves Time?
Almost every developer you talk to today is using some form of AI while writing code - GitHub Copilot, Cursor, Claude Code, or honestly a mix of all t…
I built a body-doubling focus app: no camera, no booking, no signup to look around
I kept noticing that the thing stopping me wasn't what to do — I knew that. It was the act of starting. So I built Dopastep , and the whole design is …
I built an AI dev team that reviews its own work — here's what I learned about multi-agent loops
Most multi-agent demos are impressive for five minutes and useless for five hours. After months of building Task Hounds — an open-source, local multi-…
Four AI APIs, four completely different citation formats. Getting the data out was harder than the analysis.
I've been running a small monthly study : take ten buyer-intent questions from one industry, ask four AI assistants the identical question, and record…
You've been wrapping `new URL()` in try/catch. `URL.parse()` does it natively.
Every codebase has this utility function somewhere. You wrote it the first time an untrusted URL caused an uncaught exception, or when a form field ne…