OrderlyAI: Turning Messy Customer Messages into Orders with Local AI
OrderlyAI: Turning Messy Customer Messages into Orders with Local AI This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Sid…
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Weekend Build Log: A Model-Swap Harness for a Side Project on Free Endpoints
Three commands decide whether a weekend side project survives a backend change. The app built this weekend is deliberately small: it turns a build l…
Saku: How I Went From Per-Line KV to 8M Writes/sec in One Week (While Learning C++)
Initial scope was simple: just make it fast. No fsync, no fancy durability. Just raw speed. I was bored. Asked AI "what should I build in C++?" It s…
I don't know how to code — I shipped a 10-language app anyway. Here are the 6 decisions.
I'm going to skip the inspiration and give you the engineering decisions, because that's what I'd want to read. Context: I'm a solo developer with n…
Should You Add Projects to Your CV?
cover image is from-> Image by tirachardz on Magnific 1. The Problem I was reviewing for software engineering roles, and at some point I noticed…
The Blog Was the Shelf, the Lab Is the Workbench
I did not build joacod Lab because the internet needed another portfolio. It already has plenty of those, including some that are mostly screenshots…
I Built 200+ Free Calculators in 26 Languages — Here's What I Learned After Launch
I launched Calculora.net on June 5, 2026 — a free, multilingual calculator and utility tools website. Three months in, I want to share what I've bui…
I Built an IP KVM – BeaconKVM
I'm a programmer and entrepreneur from China. Before this, I built a SD-WAN product for the Chinese market—similar to Tailscale or ZeroTier—so my ba…
I built a free concert tracker solo: 13 languages, 11,000 prerendered pages, one React codebase for iOS, Android and web
I go to a lot of concerts. In January 2025 I got tired of a spreadsheet that could not tell me which opener I had seen twice, so I started building…
Make Your Weekend Agent List Unknowns First
You sit down Friday with one messy GitHub issue. You want a usable plan before Monday morning. You paste the text into a chat agent. The reply looks…
How I Launched a Web App Using AI (Without Getting Stuck in Code or Design)
If you're a developer, you know the drill: you get a great side-project idea, open your code editor, start planning the architecture, get lost tweak…
ExtensionDash: tracking a browser extension from your agent
After shipping two browser extensions this year — Reverse Image Search Anywhere and Stackpeek — I still could not answer the simplest question about…
How I Built a Compound Interest Calculator Without Any Backend
While working on a side project recently, I needed a way to help users quickly understand how their savings could grow over time. Nothing fancy — ju…
How I Built a Trading Value Tool for a Game With Constantly Changing Data
Game websites look simple from the outside. A player searches for an item, finds its value, and moves on. But once you are responsible for maintaini…
Amazon S3 Hands-On Practicals
I recently worked through a hands-on Amazon S3 practical series covering the features I would actually expect to use while working with AWS storage.…
I Miss Being a Coder in the Age of AI !!
In this whole AI-written-code era, I've started feeling a little lost. New AI tools, frameworks, projects, and software seem to be launching every h…
How I Built a No-App Photo Sharing Platform Using Just QR Codes and Browser Cameras
Last summer, I was at my cousin's wedding. 200 guests, one professional photographer, and exactly zero way for anyone else to share the photos they…
I built a quiz-driven gift recommender (Next.js + Cloudflare Pages)
Most "AI gift finders" are a search box with a chatbot glued on. I wanted to build something different — a quiz-driven gift recommender that ranks r…
Your Side Project Doesn't Need a Public IP. Here's the Proof.
I used to think every server needed a public IP. It's just... how servers work, right? Then I moved my side project , a small Node.js API with a Pos…
I Got Sick of Subscription Budget Apps. So I Built My Own With Telegram, Python, and a $0/Month Stack.
No logins. No monthly fees. No "Premium required to export your own data." Just you, a Telegram message, and a double-click. Try it now: @PennyTrak_…
I launched Roversia on Product Hunt — 39+ free browser tools, zero frameworks
Today I launched Roversia on Product Hunt — a free, ad-free platform of 39+ browser-based utility tools I've been building solo. The stack is delibe…
ROI of my 100$ Claude Code Subscription
We’ve all heard the stories about AI and how much faster it supposedly makes you at building software. Some people say they’ve become 10x or even 10…
I Was in 340 Telegram Groups, So I Built a Cleanup Tool
The problem I kept ignoring I was in 340 Telegram groups. Crypto project chats from 2021. Dev communities I joined once and never visited again. Ran…
Building A Personal Metrics Dashboard With Vanilla JS And CSS Grid
Why I Wanted A Stupidly Simple Dashboard I like metrics. Steps, sleep, HRV, code sessions, pitches thrown at practice, deep work blocks. If I do not…
How I built an Ad-Free Anime Dashboard using the AniList API
Hello everyone! 👋 As a web development student, I wanted to build a portfolio project that solves a real problem I face: annoying pop-up ads on stre…
Building a Legal Document Analyzer in typescript with NodeJS
Legal documents are notoriously complex, filled with specialized terminology, hidden risks, and critical obligations. Lawyers and legal professional…
[Dev Log][Node.js] Feedly Classic is gone, so I built my own FeedFlow (Part 1)
Introduction: Since Feedly's redesign, I haven't been able to get used to the interface. I especially miss the high-density, single-column, no-nonse…
My marketing docs kept lying, so I put them in CI
My side project lans.cloud has 100 free browser tools. For three weeks, everything I posted about it — the launch article, the directory listings, t…
Show DEV: NotchTune v1.2 - a Tiny Notch App to Control Spotify Web
Hey DEV community! 👋 A few days ago I shared NotchTune here — a tiny native macOS app that turns your MacBook's notch into a live Spotify Web contro…
How lazy I was to study discordgo and I wrote my own library
So, as it was said in the title, I was too lazy to study discordgo for developing a bot on go. Why? Well.. I just sat down to study go and didn't ha…